A construction company uses the function f(x), where x is the number of people working on a project, to model the amount of money it spends to complete a project. What would a reasonable domain be?
All integers
Real numbers
Positive real integers
Positive integers

Answers

Answer 1

Answer:

Please use "^" to denote exponentiation:  f(x) = x^2 + 3x + 5.

Because this is a polynomial, the domain consists of the set of all real numbers.

Step-by-step explanation:

Answer 2

Answer:

Positive integers

Step-by-step explanation:

The domain is the people and the range is the money spent

People would be counted as positive integers, only the last answer choice considers this.

So the answer is:

Positive integers

Related Questions

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Answers

Answer:

Step-by-step explanation:

35% means 35 per hundred. 35/100. simplify and write as 7/20.

0.64 means its 2 zeros left of regular number. 64/100.

82% means 82 per hundred. 82/100. move decimal 2 spaces to left (division is left, multiplication is right). 0.82.

4/5. try to make denominator 100. multiply both numerator and denominator by 20. 80/100. move decimal 2 spaces to the left. 0.8.

14/50. try to make denominator 100. multiply both numerator and denominator by 2. 28/100. 28%

0.19 can be written as 19/100. 19%

Answer: 35%=7/20   0.64=64/100.       82%=82/100.     4/5=0.8     14/50=0.28    0.19=19%

Step-by-step explanation:

What is the vertex for the equation y=2x^2+4x

Answers

1,-2 would be the vertex

A website sells sweaters. The amount of sales p(c) varies directly with the number of customers c. Eight customers bought a total of $335 worth of sweaters. Which equation can be used to find the sales for c customers? p(c) = 41.88c p(c) = 4188c p(c) = 41.88c p(c) = 4188c

Answers

Answer: p(c) = 41.88c

Step-by-step explanation:

From the question, we are informed that a website sells sweaters and that the amount of sales p(c) varies directly with the number of customers c.

We are further told that eight customers bought a total of $335 worth of sweaters.

The equation that can be used to find the sales for c customers will be:

= 335/8

Therefore, the answer is p(c) = 41.88c

= 41.88

guess the song and get a point and guess the meaning i`m driving home tonight, catching all red lights
That's alright cause I don't want to be alone
There's nobody waitin' there, cold and empty bed
Words I wished Id said come on the radio
Ooh, oh, oh, and I don't know why I do this to myself
Ooh, oh, oh, I know you're with someone else
But in my mind were somewhere in my car
And it's raining hard on the streetlight glow
You got your lips on mine, its gasoline on fire
I never will forget, you grabbed my shirt and pulled it over my head
And your fingertips slide up and down my back
Breathin' hard, steamin' up the glass
I'd give anything if I could bring you back home

Answers

Answer:

Somewhere in my car

Step-by-step explanation:

i know the song and im also just doing this for points so yeah


Using the information given, select the statement that can deduce the line segments to be parallel. If there are
then select none.
When m_1= m_D
O AB II DC
AD || BC
none

Answers

Answer:

it is AD l l DC so ots B

Step-by-step explanation:

Answer

If the line segment AB is parallel to the line segment DC then, m∠1=m∠D by corresponding angles.

What is corresponding angle?

Congruence and similarity tests in geometry involve comparing corresponding sides and angles of polygons.

Each side and angle in one polygon is paired with a side or angle in the second polygon, with the order of adjacency preserved.

One is an exterior angle (beyond the parallel lines), while the other is an interior angle (inside the parallel lines).

Corresponding angles and transversal lines are defined. Corresponding angles are a subset of angle pairs. Angles on the opposite side of the transversal are referred to as alternate angles.

If line segment AB is parallel to line segment DC,

m∠1=m∠D, by corresponding angles

If line segment AD is parallel to line segment BC,

m∠3=m∠B, by corresponding angles

Thus, this can be concluded regarding the given scenario.

For more details regarding angles, visit:

https://brainly.com/question/28451077

#SPJ7

x^2 = 49, then x = 7. What would be a counterexample?

Answers

-7^2 is also 49, squares can be positive or negative

100 x 500 x 250 x 600 x 900 x 10 000 x 0 x 500 x 60 x 70 x 50 x 90 + 1 x 50 =

Answers

Answer:

50

Step-by-step explanation:

i would like sone help please. I said it was 96 but it marked it wrong.​

Answers

Answer:

The lowest grade was 48

Step-by-step explanation:

solve -x=9x by graphing

Answers

Answer:

the answer would be 0.

Step-by-step explanation:

the line would go straight down the middle.

Answer:

just plot that on the type of graph you are supposed to be dojng and solve it. I would do it but i dont have graph paper

Step-by-step explanation:

f(x)=2x^3+3 g(x)= x-4
what is the value of g(f(x))?
A. 2x^3-1
B. 2x^4-4x^3+3x-12
C. 2x^3-24x^2-32x-61
D. 2x^3+3x-4

Answers

Answer: A

Step-by-step explanation:

Which situation can be modeled by the inequality X ≥ 18?

OChildren go to school more that 18 days during a month.

O The map showed that the school was less than 18 blocks from her house.


O 18 eggs will fill an egg carton


O People 18 and over are considered adults​

Answers

Answer:

Answer: People 18 and over are considered adults​

Because more than or equal to 18

Good Luck!

Answer:

O#4,  People 18 and over are considered adults​.

Step-by-step explanation:

Since there is a line under it, it means greater than or equal to.

I need help on this question

Answers

The correct answer should be C to this question

Answer:

A) - M

Step-by-step explanation:

A package of 3 pairs of insulated costs ​$15.57. What is the unit price of the pairs of ​?

Answers

Answer:

-3 pairs cost $15.57

15.57 divided by 3

$5.19 per pair unit rate

helpppppppppppppp pleaseeeeeeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

1. X=11

Answer:

First page

x=11

y=-15

Second page

x=26

x=10

Third page

x=36

x=88

fourth page

x=81

n=36

fifth page

x=10

x=2

Step-by-step explanation:

Hope this helps

can you mark brainliest it would really help me thank you

Mrs. Rodriguez wants to pay her restaurant bill which is $24.00. If Mrs. Rodriguez wants to leave a 20% tip on the total, how much should she pay?
$20.35
$26.40
$28.80
$33.60

Answers

Answer:

28.80

Step-by-step explanation:

I took the test on edge 2020

Answer:

28.80

Step-by-step explanation:

I took the test on edge 2020

it was -5 in Memphis and -12 in Nashville . which city was colder

Answers

nashville is colder because -12

Answer: nashville

Step-by-step explanation: its a lower degree

What kind of symmetry does Equation x^2 + (y+2)^2 = 4 have?(y-axis, x-axis, or origin)

Answers

Answer:

y-axis

Step-by-step explanation:

Since the equation is identical to the original equation, it is symmetric to the y-axis.

Which of the following represents the lowest speed in miles per hour?
A. 6 miles in 18 hour
B. 11 miles in 14 hour
C. 16 miles in 38 hour
D. 20 miles in 12 hour

Answers

Answer:

D

Step-by-step explanation:

Aaaaaaaaaaaaaaaaaaaa

Would you rather be bitten by 15% of 120 mosquitoes or 8% of 250 mosquitoes explain why

Answers

Answer:

15% of 120 mosquitoes

Step-by-step explanation:

15% of 120 is 18 while 8% of 250 is 20. 15% of 120 is less mosquitoes

Suppose sin(x) = -3/5 and cos(x) < 0. What the value of cos(2x)?

A) -16/25
B) -7/25
C) 7/25
D) 16/25

Answers

Answer:

The value of cos(2x) = 7/25

Hence, option C is true.

Step-by-step explanation:

Using the trigonometric identity

cos 2x = 1 - 2sin²x

Given

sin(x) = -3/5cos(x) < 0

so substituting the values

cos 2x = 1 - 2sin²x

           = 1 - 2 (-3/5)²

           = 1 - 2 (9/25)

           = 1 - 18/25

           = 7/25

Therefore,

The value of cos(2x) = 7/25

Hence, option C is true.

Answer:it’s C

Step-by-step explanation:

I just took it

1 point
2). The ordered pairs all lie on the same line. Using the ordered pairs, write
an equation of the line in the form y = mx + b.*
(0, 3) (2, 7) (-1, 1) (5, 13)

Answers

Answer:

y = 2x + 3

Step-by-step explanation:

First things first we have to find the slope. To do so you simply choose two of the ordered pairs and use the formula:

y2 - y1 / x2 - x1

I will use (0, 3) and (2, 7).

7 - 3 / 2 - 0

4 / 2

2

let’s double check by using the other set of ordered pairs.

(-1, 1) and (5,13)

13-1 / 5 + 1

12 / 6

2

Our slope is 2!

Next we will use the point-slope formula:

y - y1 = m (x - x1)

we will do this with one of the ordered pairs, since they all lie on the same line the answer will be the same each time.

I will use (2, 7).

y - 7 = 2(x - 2)

distribute:

y - 7 = 2x - 4

add 7 to both sides:

y = 2x + 3

Just to be sure that i didn’t make any mistakes i will double check by using another ordered pair.

I will use (-1, 1)

y - 1 = 2 (x + 1)

distribute:

y - 1 = 2x + 2

add 1 to both sides

y =2x + 3

There we have it! The answer is:

y = 2x+ 3

4. If you saved $2.00 on January 1, $4.00 on February 1, $8.00
on March 1. $16.00 on April 1, and so on. How much money
would you save in one year?

Answers

Answer:

$8190

Step-by-step explanation:

2+4+8+16+32+64+128+256+512+1024+2048+4096= 8190

$8190

Find the area of Show your work and use appropriate units.

Answers

Answer:

30.42 in²

Step-by-step explanation:

Refer to attached

Area of the triangle formula:

A = 1/2bh

b is given: AB = 9 in

Line CD is added for h, finding its value:

CD/BC = sin 75°h/7 = 0.9659h = 7*0.966h = 6.76 in

Then finding the area:

A = 1/2*6.76*9 = 30.42 in²

2x-Y (5y X -6) 3^6y what is that as an expression

Answers

Answer:

The answer is:

2x + 30y^2 × 729^y

The area of a rectangular vegetable patch is 45 square meters. The vegetable patch is 9 meters long. How wide is it?

Answers

Area = wl
45/ 9 = 5 meters

Martha’s Grandfather at 63 years of age is 6 more than 3 times as old as Martha. What is Martha’s age?

Answers

Answer:

18

Step-by-step explanation:

6x3=18 beacause of the given number

Answer:

19 yrs old

Step-by-step explanation:

subtract 6 from 63 and you get 57

then you divide 57 by 3 and you get

therefore martha is 19

An airplane flew across the Pacific Ocean. The table shows the amount of time and the distance traveled when the airplane was traveling at a constant speed. Complete the table with the missing values.

Answers

show the table or graph !

Answer:

SEE THE GRAPH

Step-by-step explanation:

generate a frequency table using 3,12,25,2,3,6,17,17,15,13,20,12,21,18,19

Answers

Answer:

A frequency table is given below.

Step-by-step explanation:

Given the data

3,12,25,2,3,6,17,17,15,13,20,12,21,18,19

The frequency distribution table provides us a general snapshot of the data using which we may be able to find certain patterns.

A frequency table is given by:

Class                        Count                           Percentage

0 - 6                              4                                 26.7

7 - 13                             3                                  20

14 - 20                          6                                  40

21 - 27                          2                                  13.3

Total                            15                                   100

A package of 6 pairs of insulated gloves costs ​$51.54. What is the unit price of the pairs of gloves ​?

Answers

Answer:

$8.59

Step-by-step explanation:

The unit price is just asking for what one pair of gloves cost.

[tex]\$ 51.54 \div6=\$8.59[/tex]

∴The unit price of the pairs of gloves is $8.59

Hope this helps!

Answer:

8.59

Step-by-step explanation:

help! i need help on this math

Answers

Answer:

4

10

25

-1

-4

Step-by-step explanation:

Your answers are correct.

The coefficient of -x^2 is -1 since -x^2 is the same as -1x^2.

The coefficient of -4x is -4.

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