Answer:
As more censorship occurs, the fact-checking burden increasingly shifts from consumers to platforms, decreasing the need for consumers to acquire the skills necessary to judge the quality or truthfulness of the content they consume. Ultimately, this could make consumers more vulnerable to malicious exploitation .
Explanation:
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You find yourself in a strange undulating landscape given by the function z = f (x, y) = cos y − cos x,
where z is the elevation.
1. Find all maxima, minima, and saddle points. What are the level curves for z = 0?
Graph this function.
Answer:
Below...
Explanation:
To find the critical points, we need to find where the gradient of f(x,y) is equal to zero.
∇f(x,y) = (-sin x, sin y)
Setting each component of the gradient equal to zero, we get
-sin x = 0 and sin y = 0
This gives us critical points at (nπ, mπ) for any integers n and m.
Next, we need to find the second partial derivatives of f(x,y) at each critical point.
f_xx = -cos x
f_yy = cos y
f_xy = 0
At a critical point (nπ, mπ), we have f_xx = (-1)^n and f_yy = (-1)^m.
If f_xx and f_yy have the same sign, then the critical point is a local extremum. If they have opposite signs, then the critical point is a saddle point.
Thus, we have the following cases:
(nπ, mπ) is a local minimum if n and m are both even.
(nπ, mπ) is a local maximum if n and m are both odd.
(nπ, mπ) is a saddle point if n and m have different parities.
To find the level curves for z = 0, we set f(x,y) = 0:
cos y - cos x = 0
cos y = cos x
y = ±x + 2πk, where k is an integer
Thus, the level curves for z = 0 are given by the planes y = x + 2πk and y = -x + 2πk for integer values of k.
Even today, some believe that certain occurrences have supernatural causes. Think of an event, recent or historical, for which others have provided the supernatural explanation
Because it will contain clear assumptions about the best way to investigate the condition, its origin, and what kinds of therapies or treatments are most effective, the perspective used to describe a psychiatric disorder is crucial.
What are the main reason of supernatural causes?Witchcraft was frequently thought to include putting a spell on food, drink, or other items that the victim would come in close contact with. A list of ailments brought on by magic or other unnatural sources.
Therefore, The two supernatural causes that were most frequently cited were being possessed by evil spirits and various forms of witchcraft.
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What are 3 mechanisms of evolution and how do they work?
Three mechanisms of evolution are Natural Selection , Genetic Drift and Mutation
How do they work :
1. Natural Selection: This is the process by which organisms that are better adapted to their environment tend to survive and reproduce more successfully than those that are less adapted. This process results in the gradual evolution of the species over time.
2. Genetic Drift: This is the process by which the gene frequencies of a population can change randomly over time due to chance events. This can lead to the emergence of new traits and the disappearance of existing traits within the population.
3. Mutation: This is the process by which new genetic information is added to the gene pool of a population. This can result in the emergence of new traits or the alteration of existing traits.
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