Question #cc9f3

1 Answer
Nov 29, 2017

It's an even function.

Explanation:

A function is odd f(-x) = -f(x)
A function is even if f(-x) = f(x)

In this problem substitute f(-x) so,
f(-x) = (-x)^4-3(-x)^2-4
= x^4 -3x^2-4
When we substitute -x, we get the original function therefore, this is an even function.