Question

Which graph represents an even function?

Answer 1

Answer: graph 3 represents an even function.

Step-by-step explanation:

For an even function we have f(x) = f(-x)

In the given graphs let us substitute values

In 3 graph

           f(2) = 0

           f(-2) = 0

           So f(2) = f (-2)

           Graph 3 is even