Since f(n) is defined using a primitive recursive function (exponentiation) and follows a recursive structure, we can conclude that f(n) is primitive recursive.
To show that the function f(n) is primitive recursive, we need to demonstrate that it can be defined using basic primitive recursive functions (zero, successor, and projection functions) and can be composed or recursed using only primitive recursive function schemes.
Given the definition of f(n), we can write it as:
- f(0) = 0
- f(1) = 1
- f(2) = 2²
- f(3) = (3³)³
- ...
We can observe that f(n) is defined as a stack of exponentiation operations with the base and the exponent both being n. We can use the following recursive formula to define f(n):
- f(0) = 0
We know that exponentiation is primitive recursive, as it can be defined using multiplication, which is also primitive recursive. We can define exponentiation recursively as:
- exp(a, 0) = 1
- exp(a, b) = a * exp(a, b-1) for b > 0
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Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example that disproves the statement.If f(x)≤g(x) and ∫[infinity]0g(x) dx diverges, then ∫[infinity]0f(x) dx also diverges.
The statement "If f(x)≤g(x) and [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex] diverges, then [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex]
also diverges" is true.
If f(x)≤g(x) for all x and [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex] diverges, then we can conclude that
[tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex] also diverges.
To see why, consider the integral [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex]. Since f(x) ≤ g(x) for all x,
we have:
[tex]\int\limits^{infinity}_0 {f(x)} \, dx[/tex] ≤ [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex]
If [tex]\int\limits^{infinity}_0 {g(x)} \, dx[/tex] diverges, then the integral on the right-hand side is
infinite. Since [tex]\int\limits^{infinity}_0 {f(x)} \, dx[/tex] is less than or equal to an infinite integral, it
must also be infinite. Therefore, [tex]\int\limits^{infinity}_0 {f(x)} \, dx[/tex] also diverges.
This can be intuitively understood by considering the fact that if g(x) is bigger than f(x), then the integral of g(x) over the same interval will also be bigger than the integral of f(x). Since the integral of g(x) is infinite, the integral of f(x) must also be infinite or else it would be possible to have an integral of g(x) that is infinite while the integral of f(x) is finite, which contradicts the given condition that f(x)≤g(x) for all x.
Therefore, the statement is true.
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3. The perimeter of a circular sector with an angle 1.8
rad is 64cm. Determine the radius of the Circle. Round to
the nearst hundredth.
The radius of the circle is 17.78 cm.
The formula for calculating the perimeter of a circular sector with angle θ is given by
P = 2rθ
r = P / (2θ)
Substituting in the given values, we have:
r = 64 / (2 x 1.8)
r = 17.78
Therefore, the radius of the circle is 17.78 cm.
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Percent Unit Review Worksheet
A store buys water bottles from the manufacturer for
and marks them up by
75% How much do they charge for the water bottles (what is the retail price)?
Leo saves 5/6 of the money he makes raking leaves. What is 5/6 written as a decimal
Answer:
0.83333333....
Step-by-step explanation:
First conversation 5/6 onto division which is 5 divided by 6 which is 8.3
A quantity with an initial value of 5500 grows continuously at a rate of 0.95% per day. What is the value of the quantity after 6 weeks, to the nearest hundredth?
The value of the quantity after 6 weeks is 7694.5
What is Percentage Increase?Percentage Increase is the difference between the final value and the initial value, expressed in the form of a percentage.
How to determine this
When an initial value = 5500
Grows at a rate of 0.95%
i.e 0.95% of 5500 = 52.25, it grows 52.25 per day
What is the value of the quantity after 6 weeks
When 7 days = 1 week
6 weeks = x
x = 6 * 7 days
x = 42 days
If it grows 52.25 per day
let x represent the value of quantity in 42 days
When 52.25 = 1 day
x = 42 days
x = 42 * 52.25
x = 2194.5
Therefore the value of the quantity after 6 weeks
= 2194.5 + 5500
= 7694.5
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Write a quadratic function for the graph that contains (–4, 0), (–2, –2), and (2, 0).
Step-by-step explanation:
a quadratic equation has 2 zeros.
luckily we got 2 points with y = 0, so these define the zero points.
a quadratic function is usually looking like
ax² + bx + c = 0
and with the zeros being the factors, we get
y = a(x - z1)(x - z2) = a(x + 4)(x - 2) =
= a(x² - 2x + 4x - 8) = a(x² + 2x - 8)
to get "a" we use the third point.
-2 = a((-2)² + 2×-2 - 8) = a(4 - 4 - 8) = -8a
a = -2/-8 = 1/4
and the equation is
y = (1/4)x² + (1/2)x - 8/4 = (1/4)x² + (1/2)x - 2
How do you solve this? Please explain :)))
Find the measure of YXZ
Thank you!!! It's greatly appreciated! :D
The measure of angle YXZ is 9.
We are given that;
XZ= x+54
YZ= x+108
Now,
By the property of angle sum of circle
x+54+x+108=180
2x+162=180
Solving the equation
2x=180-162
2x=18
x=9
Therefore, by the angle property the answer will be 9.
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The measure of angle YXZ is 9.
We are given that;
XZ= x+54
YZ= x+108
Now,
By the property of angle sum of circle
x+54+x+108=180
2x+162=180
Solving the equation
2x=180-162
2x=18
x=9
Therefore, by the angle property the answer will be 9.
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Suppose that a random variable Y has a probability density function given by | ky3e-y/2, y > 0, f(y) = 0, elsewhere. a Find the value of k that makes f(y) a density function. b Does Y have a x2 distribution? If so, how many degrees of freedom? What are the mean and standard deviation of Y? d Applet Exercise What is the probability that Y lies within 2 standard deviations of its mean?
a. The value of k that makes f(y) a density function is 0
b. The probability that Y lies within 2 standard deviations of its mean is 0.948.
What is probability?Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, with 0 representing an impossible event and 1 representing a certain event. The probability of an event is calculated by dividing the number of ways the event can occur by the total number of possible outcomes.
a) To find the value of k that makes f(y) a density function, we need to integrate the density function from 0 to infinity and set it equal to 1 (since the total area under the density function should be equal to 1 for it to be a valid probability density function):
[tex]\int\limits0^\infty, ky^3e^{(-y/2)} dy = 1[/tex]
Using integration by parts, we can evaluate this integral as:
[tex]\rm [-2ky^3e^{(-y/2)} - 12ky^2e^{(-y/2)} - 24kye^{(-y/2)} - 48k][/tex]
evaluated from 0 to infinity
To make sure that the integral converges, we need to set the coefficient of
[tex]\rm e^{(-y/2)}[/tex] to zero.
Therefore, we have:- 2k = 0 [tex]\geq[/tex] k = 0
This implies that the probability density function f(y) is not valid, which means that there is a mistake in the given probability density function.
b) To determine if Y has a chi-square distribution, we need to compare its density function to the general form of the chi-square distribution. The density function of the chi-square distribution with n degrees of freedom is:
[tex]\rm f(x) = (1/2^{(n/2)} \Gamma (n/2))x^{(n/2-1)}e^{(-x/2)}, x > 0[/tex]
where Γ is the gamma function.
Comparing this to the given density function, we see that it is not of the same form, so Y does not have a chi-square distribution.
To find the mean and standard deviation of Y, we can use the formulae:
Mean = E(Y) =
[tex]\rm \int\limits 0^\infty yf(y)dy[/tex]
Standard deviation = √(V(Y)) = √(E(Y²) - [E(Y)]²)
Using integration by parts, we can evaluate the mean as:
E(Y) = 6
To evaluate the expected value of Y², we can use integration by parts twice:
[tex]\rm E(Y^2) = \int\limits 0^\infty y^2 f(y)dy= 20[/tex]
Therefore, the standard deviation of Y is:
Standard deviation = √(E(Y²) - [E(Y)]²) = √(20 - 6²) = √(4) = 2d)
The probability that Y lies within 2 standard deviations of its mean can be calculated as:
P(mean - 2SD < Y < mean + 2SD) = P(6 - 22 [tex]<[/tex] Y [tex]<[/tex] 6 + 22) = P(2 [tex]<[/tex] Y [tex]<[/tex] 10)
Using the probability density function, we can evaluate this probability as:
[tex]\rm \int\limits 2^{10} ky^3e^{(-y/2)} dy[/tex]
This integral can be evaluated numerically or by using integration by parts. The result is approximately 0.948, hence, the probability that Y lies within 2 standard deviations of its mean is 0.948.
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HELP MATH SE BELOW IN THE ATTTACHED IMAGE
Answer:
The rocket's height is increasing on the interval 0<t<2.
20 POINTS!
Fill in the blank to make the expression a perfect square:
n squared plus 10 n plus__(blank)__
Answer: n squared plus 10 n plus 25
Step-by-step explanation:
To make the expression a perfect square:
add a term that is equal to half the coefficient of n, squared.
the coefficient of n is 10, so half of it is 5
add 5 squared, or 25, to the expression:
n squared plus 10 n plus 25
this expression can be factored into (n+5) squared, which is a perfect square.
The first five terms of a sequence are shown
3, 12, 48, 192, 768
We are going to write an explicit function to model the value of nth term in the sequence such that f(1)=3.
Our function will be written in this form: f(n)=a(b)^n-1
What value will we substitute in for a? (blank box)
What value will we substitute in for b? (blank box)
The explicit function for the sequence is: [tex]f(n) = 3(4)^(n-1)[/tex]
What is arithmetic progression ?An arithmetic progression (AP) is a progression in which the difference between two consecutive terms is constant.we have to know the first term (a), the number of terms(n), and the common difference (d) between consecutive terms
To find the explicit function for the given sequence, we need to determine the values of a and b in the equation f(n) = [tex]a(b)^(n-1[/tex]), given that f(1) = 3.
We can find the value of a by substituting n=1 into the equation:
f(1) =[tex]a(b)^(1-1)[/tex]= a
3 = a
So, we will substitute 3 for a in the equation f(n) = [tex]a(b)^(n-1).[/tex]
To find the value of b, we can use the fact that the ratio between consecutive terms in the sequence is constant. We can calculate this ratio by dividing any term by its preceding term.
The ratio between the second and first terms is:
12/3 = 4
The ratio between the third and second terms is:
48/12 = 4
The ratio between the fourth and third terms is:
192/48 = 4
The ratio between the fifth and fourth terms is:
768/192 = 4
Since the ratio is constant and equal to 4, we can write:
b = 4
Therefore, the explicit function for the sequence is:
f(n) = [tex]3(4)^(n-1)[/tex]
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Calculate 95% confidence limits on m1 – m2 and d for the data in Exercise.ExerciseMuch has been made of the concept of experimenter bias, which refers to the fact that even the most conscientious experimenters tend to collect data that come out in the desired direction (they see what they want to see). Suppose we use students as experimenters. All the experimenters are told that subjects will be given caffeine before the experiment, but one-half of the experimenters are told that we expect caffeine to lead to good performance and one-half are told that we expect it to lead to poor performance. The dependent variable is the number of simple arithmetic problems the subjects can solve in 2 minutes. The data obtained are:Expectation good:19 15 22 13 18 15 20 25 22Expectation poor:14 18 17 12 21 21 24 14What can you conclude?
The 95% confidence interval for the difference in means is [-0.98, 10.98], which includes 0.
To calculate the 95% confidence limits on the difference between the means (m₁ - m₂) and the difference between the standard deviations (d), we can use the following formulas:
SE(m₁ - m₂) = √[(s₁²/n₁) + (s₂²/n₂)]
where s₁ and s₂ are the sample standard deviations, n₁ and n₂ are the sample sizes, and SE represents the standard error.
95% confidence interval for (m₁ - m₂) = (x₁ - x₂) ± (t(α/2) * SE(m₁ - m₂))
where x₁ and x₂ are the sample means, t(α/2) is the t-value for the appropriate degrees of freedom and alpha level, and SE(m₁ - m₂) is the standard error.
SE(d) = √[((n₁ - 1)s₁² + (n₂ - 1)s₂²)/(n₁ + n₂ - 2)] * √[1/n₁ + 1/n₂]
where s₁ and s₂ are the sample standard deviations, n₁ and n₂ are the sample sizes, and SE represents the standard error.
95% confidence interval for d = (s₁²/s₂²) * [(n₁ + n₂ - 2)/(n₁ - 1)] * F(α/2)
where F(α/2) is the F-value for the appropriate degrees of freedom and alpha level.
Using the given data, we have:
Expectation good: n₁ = 9, x₁ = 18, s₁ = 4.38
Expectation poor: n₂ = 8, x₂ = 17.125, s₂ = 4.373
SE(m₁ - m₂) = √[(s₁²/n₁) + (s₂²/n₂)] = √[(4.38²/9) + (4.373²/8)] = 1.913
Degrees of freedom = n₁ + n₂ - 2 = 15
t(α/2) = t(0.025) = 2.131
95% confidence interval for (m₁ - m₂) = (18 - 17.125) ± (2.131 * 1.913) = (0.546, 1.429)
SE(d) = √[((n₁ - 1)s₁² + (n₂ - 1)s₂²)/(n₁ + n₂ - 2)] * √[1/n₁ + 1/n₂] = √[((8)(4.373²) + (9)(4.38²))/(17)] * √[1/8 + 1/9] = 1.322
Degrees of freedom numerator = n₁ - 1 = 8
Degrees of freedom denominator = n₂ - 1 = 7
F(α/2) = F(0.025) = 4.256
95% confidence interval for d = (4.38²/4.373²) * [(9 + 8 - 2)/(8)] * 4.256 = (0.754, 3.880)
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Consider the function f(x)=x^2+3. is the average rate of change increasing or decreasing from x=0 to x=4?Explain
The average rate of change is increasing over this interval.
Calculating the average rate of changeTo find the average rate of change of the function f(x) = x^2 + 3 from x = 0 to x = 4, we can use the formula:
average rate of change = [f(4) - f(0)] / [4 - 0]
Substituting the values of x = 0 and x = 4 into the function f(x), we get:
f(0) = 0^2 + 3 = 3
f(4) = 4^2 + 3 = 19
So, the average rate of change of the function from x = 0 to x = 4 is:
average rate of change = [f(4) - f(0)] / [4 - 0] = (19 - 3) / 4 = 4
This means that the function increases at an average rate of 4 units per unit change in x from x = 0 to x = 4.
Since the average rate of change is a constant value, the function f(x) = x^2 + 3 has a constant rate of increase from x = 0 to x = 4.
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Men Women
μ μ1 μ2
n 11 59
x 97.72 97.34
s 0.83 0.63
A study was done on the body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed? populations, and do not assume that the population standard deviations are equal. Complete parts? (a) and? (b) below.
Use a 0.05 significance level to test the claim that men have a higher mean body temperature than women.
a. What are the null and alternative hypotheses?
The test statistic, t, is
The P-value is
State the conclusion for the test.
b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.
The null hypothesis (H0) states that there is no significant difference in the mean body temperature between men and women. The alternative hypothesis (H1) states that men have a higher mean body temperature than women.
Step 1: Null and Alternative Hypotheses
The null hypothesis (H0): μ1 ≤ μ2 (There is no significant difference in the mean body temperature between men and women)
The alternative hypothesis (H1): μ1 > μ2 (Men have a higher mean body temperature than women)
Step 2: Test Statistic
The test statistic for comparing the means of two independent samples with unequal variances is the t-statistic. The formula for calculating the t-statistic is:
t = (x1 - x2) / √(s1² / n1 + s2² / n2)
where x1 and x2 are the sample means, s1 and s2 are the sample standard deviations, and n1 and n2 are the sample sizes.
Step 3: P-Value
Using the given data:
x1 = 97.72, x2 = 97.34, s1 = 0.83, s2 = 0.63, n1 = 11, n2 = 59
Plugging these values into the t-statistic formula, we get:
t = (97.72 - 97.34) / √(0.83² / 11 + 0.63² / 59)
t = 0.38 / √(0.062 + 0.0066)
t = 0.38 / √(0.0686)
Step 4: Conclusion
At a significance level of 0.05, we compare the calculated t-statistic to the critical value from the t-distribution with (n1 + n2 - 2) degrees of freedom. If the calculated t-statistic is greater than the critical value, we reject the null hypothesis in favor of the alternative hypothesis. Otherwise, we fail to reject the null hypothesis.
Step 5: Confidence Interval
A confidence interval can be constructed to estimate the difference between the two population means. Using the given data and assuming a 95% confidence level, the confidence interval can be calculated using the formula:
CI = (x1 - x2) ± tα/2 × √(s1² / n1 + s2² / n²)
where CI is the confidence interval, tα/2 is the critical value from the t-distribution corresponding to a 95% confidence level, and all other variables are as defined above.
Therefore, the are:
The null hypothesis states that there is no significant difference in the mean body temperature between men and women, while the alternative hypothesis states that men have a higher mean body temperature than women.
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Given lines l,m,and n are parallel and cut by two transversal lines, find the value of x. Round your answer to the nearest tenth if necessary.
The requried value of x between lines m and n is 59.5.
What are the ratio and proportion of intersecting lines?When two lines intersect at a point, they form four angles around the intersection point. The pairs of opposite angles and sides are similar, meaning they have the proportionate measure.
As shown in the figure,
lines l,m, and n are parallel and cut by two transversal lines,
following the property of proportion of transversal line on a parallel line,
12/51 = 14/x
Simplifying the above expression,
x = 51 * [14/12]
x = 59.5
Thus, the requried value of x between lines m and n is 59.5.
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If f(2)=25 and f' (2) = -2.5, then f(2.5) is approximately: A. 2 B. 2.5 C. - 2.5 D. 1.25 E. -2
If the function f(2)=25 and f' (2) = -2.5, then f(2.5) is approximately 23.75
The first-order Taylor's approximation formula, also known as the linear approximation formula, is a mathematical formula that provides an approximate value of a differentiable function f(x) near a point a. The formula is given as
f(x) ≈ f(a) + f'(a)(x - a)
where f'(a) is the derivative of f(x) at the point a. This formula is based on the tangent line to the graph of f(x) at the point (a, f(a)). The approximation becomes more accurate as x gets closer to a.
We can use the first-order Taylor's approximation formula to estimate the value of f(2.5) based on the information given
f(x) ≈ f(a) + f'(a)(x - a)
where a = 2 and x = 2.5. Plugging in the values, we get
f(2.5) ≈ f(2) + f'(2)(2.5 - 2)
f(2.5) ≈ 25 + (-2.5)(0.5)
f(2.5) ≈ 23.75
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Consider a partial output from a cost minimization problem that has been solved to optimality. Final Shadow Constraint Allowable Allowable Name Value Price R.H. Side Increase Decrease Labor Time 700 700 100 200 The Labor Time constraint is a resource availability constraint. What will happen to the dual value (shadow price) if the right-hand-side for this constraint decreases to 400? A. It will remain at -6. B. It will become a less negative number, such as -4. C. It will become zero. D. It will become a more negative number, such as -8. E. It will become zero or less negative.
B. If the right-hand-side for the Labor Time constraint decreases to 400, the dual value (shadow price) will become a less negative number, such as -4.
This is because a decrease in the available resource (Labor Time) will generally cause the shadow price to move toward a less negative value, reflecting the increased scarcity of that resource in the cost minimization problem. The correct answer is D. If the right-hand-side for the Labor Time constraint decreases to 400, it means that there is less availability of labor time, which will increase the cost of the problem. As a result, the dual value (shadow price) will become more negative, such as -8, indicating that an additional unit of labor time constraint would now cost more to relax. The allowable increase in the Labor Time constraint will decrease, while the allowable decrease will increase.
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A sweet seller has 48 Kaju burfies and 72 badam becafio. He
wants to stack them in such a way
that each stack has the
same
number and they take
the least area of the train, What
is the numbers of burfies in each stack.
In the given problem, we can stack the sweets in six stacks, each with 24 sweets. So, there will be 24 Kaju burfies in each stack.
How to Solve the Problem?To stack the sweets in the least area, we want to minimize the number of stacks. To do this, we need to find the greatest common divisor (GCD) of 48 and 72, which is 24.
Therefore, we need to stack the sweets in groups of 24.
We have a total of 48 Kaju burfies, so we need to divide them into groups of 24.
48 / 24 = 2
So, we can stack the Kaju burfies in two stacks of 24 each.
We also have 72 badam becafio, which we need to stack in groups of 24.
72 / 24 = 3
So, we can stack the badam becafio in three stacks of 24 each.
Thus, we can stack the sweets in six stacks, each with 24 sweets.
So, there will be 24 Kaju burfies in each stack.
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In the given problem, we can stack the sweets in six stacks, each with 24 sweets. So, there will be 24 Kaju burfies in each stack.
How to Solve the Problem?To stack the sweets in the least area, we want to minimize the number of stacks. To do this, we need to find the greatest common divisor (GCD) of 48 and 72, which is 24.
Therefore, we need to stack the sweets in groups of 24.
We have a total of 48 Kaju burfies, so we need to divide them into groups of 24.
48 / 24 = 2
So, we can stack the Kaju burfies in two stacks of 24 each.
We also have 72 badam becafio, which we need to stack in groups of 24.
72 / 24 = 3
So, we can stack the badam becafio in three stacks of 24 each.
Thus, we can stack the sweets in six stacks, each with 24 sweets.
So, there will be 24 Kaju burfies in each stack.
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Complete the square to re-write the quadratic function in vertex form
Answer:
y(x)=7x^2+56x+115
y(x)=7(x^2+8x+115/7) ( Factor out )
y(x)=7(x^2+8x+(4)^2-1(4)^2+115/7) ( Complete the square )
y(x)=7((x+4)^2-1(4)^2+115/7) ( Use the binomial formula )
y(x)=7((x+4)^2+3/7) ( simplify )
y(x)=7*(x+4)^2+3 done!
Step-by-step explanation:
hope helps:)
PQ is tangent to the circle at C. Arc AD = 81 and angle D is 88. Find angle DCQ
103
95.5
191
51.5
The required measure of the angle is m∠DCQ = 51.5° for tangent to the circle. The correct answer is option D.
Firstly, find the measure of arc ABC
As we know that the inscribed angle is half the length of the arc.
So, m∠D=(1/2)[arc ABC]
Here, m∠D=88°
Substitute and solve for arc ABC:
88°=(1/2)[arc ABC]
176° = [arc ABC]
arc ABC=176°
Now, finding the measure of arc DC:
As per the property of the complete circle,
arc ABC + arc AD + arc DC = 360°
Substitute the given values,
176° + 81° + arc DC = 360°
arc DC = 360°- 257°
arc DC = 103°
Now, Find the measure of the angle DCQ:
As we know that the inscribed angle is half the length of the arc.
So, m∠DCQ=(1/2)[arc DC]
Substitute the value of arc DC = 103°,
m∠DCQ=(1/2)[103°] = 51.5°
Thus, the required measure of the angle is m∠DCQ = 51.5°.
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[tex]f(x) = 2x^{3} - 5x^{2} - 14x + 8[/tex] synthetic division
possible zeros:
Zeros:
Linear Factors:
The value of the function is dy/dx = f(x) = 6x²-10x-14
What is differentiation?Differentiation is an element of personalized learning which involves changing the instructional approach to meet the diverse needs of students. It can involve designing and delivering instruction using an assortment of teaching styles and giving students options for taking in information and making sense of ideas.
the given function f(x) 2x³ -5x² -14x + 8
F(x) =dy/dx = 2*3(x)³⁻¹ -5*2(x²⁻¹) -14(x¹⁻¹)
Therefore the derivative of the function is f(x) = 6x²-10x-14
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What are the leading coefficient and degree of the polynomial?
-10v-18+v²-23v²
Leading coefficient:
Degree:
Answer:
Leading coefficient: -22
Degree: 2
Step-by-step explanation:
The given polynomial is:
-10v-18+v²-23v²
solving like terms, we get
-22v² - 10v - 18
The leading coefficient is the coefficient of the term with the highest degree. In this case, the term with the highest degree is -22v² and its coefficient is -22. Therefore, the leading coefficient is -22.
The degree of a polynomial is the highest power of the variable in the polynomial. In this case, the highest power of v is 2, which is the degree of the polynomial. Therefore, the degree of the polynomial is 2.
can someone help me?
Answer: 2
Step-by-step explanation:
hi
Which of the following illustrates the product rule for logarithmic equations?
log₂ (4x)= log₂4+log₂x
O log₂ (4x)= log₂4.log2x
log₂ (4x)= log₂4-log₂x
O log₂ (4x)= log₂4+ log₂x
Answer:
log₂ (4x)= log₂4 + log₂x
Step-by-step explanation:
log₂ (4x)= log₂4 + log₂x illustrates the product rule for logarithmic equations.
The product rule states that logb (mn) = logb m + logb n. In this case, b is 2, m is 4, and n is x. So,
log₂ (4x) = log₂ 4 + log₂ x.
Option A is correct, the product rule for logarithmic equations is log₂ (4x) = log₂ 4 + log₂ x
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The logarithm is the inverse function to exponentiation.
The product rule for logarithmic equations states that the logarithm of a product of two numbers is equal to the sum of the logarithms of the individual numbers.
logab=loga + logb
log₂ (4x) = log₂ 4 + log₂ x
Therefore, the correct illustration of the product rule for logarithmic equations is log₂ (4x) = log₂ 4 + log₂ x
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1/9 ÷ 7
I need help with this
Answer: 1/63
Step-by-step explanation:
1/9 ÷ 7 can be rewritten as 1/9 x 1/7
= 1/63
Answer:
To divide a fraction by a whole number, we can flip the whole number upside down and multiply. So, 1/9 ÷ 7 is the same as 1/9 * (1/7).
To multiply fractions, we multiply the numerators and the denominators. So, 1/9 * (1/7) = (1 * 1) / (9 * 7) = 1/63.
Therefore, 1/9 ÷ 7 = 1/63.
Step-by-step explanation:
Select the equation that most accurately depicts the word problem. Mary Lou has 2 more nickels than pennies, and she has 30 coins all together. Use x for the number of pennies.
2x + 30 = 5
x + (x + 2) = 30
2(x + 2) = 30
x + 2 = 30
a line passes through the point (8, -8) and has the slope of 3/4 write the equation
Answer:
y = 3/4x - 14
Step-by-step explanation:
The equation is y = mx + b
m = the slope
b = y-intercept
m = 3/4
The Y-intercept is located at (0, -14)
So, the equation of the line is y = 3/4x - 14
help finding coordinates
The coordinates of N by the 270 degree rotation clockwise rule is (-7, 3)
Finding the coordinates of NFrom the question, we have the following parameters that can be used in our computation:
N = (-3, 7)
The transfomation rule is given as
270 degree rotation rule clockwise
Mathematically, this is represented as
(x, y) = (-y, x)
Substitute the known values in the above equation, so, we have the following representation
N' = (-7, 3)
Hence, the coordinates of N after the rotation is (-7, 3)
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Is (-10,10) a solution for the inequality y≤x+7
Answer: no
Step-by-step explanation: if we'd substitute the numbers, it'd look like this 10≤-10+7 which isn't true as "≤" this symbol means more than or equals to but -10 plus 7 is equal to 3 so it doesn't fit the inequality
consider the following geometric series. [infinity] (−3)n − 1 7n n = 1 Find the common ratio. |r| = Determine whether the geometric series is convergent or divergent. convergent divergent If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.)
The common ratio, |r|, is 3/7, and the geometric series is convergent with a sum of 49/4.
The given geometric series is Σ(−3)ⁿ⁻¹ * 7ⁿ, for n = 1 to infinity. To find the common ratio, |r|, let's simplify the series.
1. Rewrite the series: Σ(−3ⁿ⁻¹ * 7ⁿ, for n = 1 to infinity.
2. Combine the terms with the same base: Σ(−3/7)ⁿ⁻¹ * 7ⁿ⁻¹, for n = 1 to infinity.
3. Now, the common ratio, |r| = |-3/7| = 3/7.
Since |r| < 1, the geometric series is convergent.
To find the sum of the convergent series, use the formula for the sum of an infinite geometric series:
S = a / (1 - r), where 'a' is the first term and 'r' is the common ratio.
4. Find the first term (n=1): a = (−3)¹⁻¹ * 7^1 = 1 * 7 = 7.
5. Use the formula: S = 7 / (1 - (3/7)) = 7 / (4/7) = 7 * (7/4) = 49/4.
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Complete question:
consider the following geometric series. [infinity] Σ(−3)ⁿ⁻¹ * 7ⁿ = 1 Find the common ratio. |r| = Determine whether the geometric series is convergent or divergent. convergent divergent If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.)
The common ratio, |r|, is 3/7, and the geometric series is convergent with a sum of 49/4.
The given geometric series is Σ(−3)ⁿ⁻¹ * 7ⁿ, for n = 1 to infinity. To find the common ratio, |r|, let's simplify the series.
1. Rewrite the series: Σ(−3ⁿ⁻¹ * 7ⁿ, for n = 1 to infinity.
2. Combine the terms with the same base: Σ(−3/7)ⁿ⁻¹ * 7ⁿ⁻¹, for n = 1 to infinity.
3. Now, the common ratio, |r| = |-3/7| = 3/7.
Since |r| < 1, the geometric series is convergent.
To find the sum of the convergent series, use the formula for the sum of an infinite geometric series:
S = a / (1 - r), where 'a' is the first term and 'r' is the common ratio.
4. Find the first term (n=1): a = (−3)¹⁻¹ * 7^1 = 1 * 7 = 7.
5. Use the formula: S = 7 / (1 - (3/7)) = 7 / (4/7) = 7 * (7/4) = 49/4.
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Complete question:
consider the following geometric series. [infinity] Σ(−3)ⁿ⁻¹ * 7ⁿ = 1 Find the common ratio. |r| = Determine whether the geometric series is convergent or divergent. convergent divergent If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.)