Question

The graph below represents which of the following functions?

Answer 1

Answer:

The correct option is A.

Step-by-step explanation:

From the given graph it is clear that the graph it divided in two pieces, so it is piece-wise function.

We have two different function one is for x≥2 and another is for x<2 because we have an open circle on x=2.

From the graph it is clear that the function is linear for x≥2 and it is directly proportional to x.

$F(x)=x$       for    x≥2

This function is represent by only option A. The function of option A is

$f(x)=\begin{cases}|4-x^2| & \text{ if } x$

From the given graph it is clear that the y-intercept of the graph is 4.

The y-intercept of F(x) in option A is

$|4-(0)^2|=4$

Therefore the correct option is A.

Answer 2

The answer is:  [A]:
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Explanation:  This is the only answer choice that makes sense, since this answer choice includes the following:
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 x<2 ; x ≥ 2 ;  which the graph (attached) clearly demonstrates.
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Note:  It is criminally simple, eh?
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