What makes a function an even function? We will be using f(-x) = x^2 as an example function.

Question

Keep the answer simple, 2 short sentences

Answer 1

A function is considered even if it satisfies the condition f(-x) = f(x) for all x in its domain. For the example function f(-x) = x^2, we see that f(x) = x^2 also holds true, confirming it is even.