If f is a function with the property that f of negative x equals f of x for all values of x, which statement must be true?

Answer options with 5 options
A.
The graph of f is symmetric to the y-axis.

B.
The graph of f is symmetric to the x-axis.

C.
The graph of f is symmetric to the line y equals x.

D.
f is its own inverse function.

E.
f of left-parenthesis negative x right-parenthesis plus f of x equals 0 for all values of x.

1 answer

A. The graph of f is symmetric to the y-axis.