Question

The graph of a function is shown below. Find one value of for which f(x)=4 and find f(-2).

Answer 1

f (x) = 4 occurs when x = 0 and f (-2) = 2

Explanation:

The first thing we must do for this case is to observe the y coordinates for a given value of the x coordinate.We have f (x) = 4. From the graph, it is clear this happens when x = 0.