Question

If f(-x) = f(x) for all real numbers x and if (3,8) is a point on graph of f, which of the following points must also be on the graph of f?

(-8,-3)
(-3,-8)
(-3,8)
(3,-8)
(8,3)

Answer 1

c

Answer 2

because is says
\[f(-x)=f(x)\] and so \[f(-3)=f(3)=8\]