Question

How do you determine whether a function is odd, even, or neither: `f(x)=2x^4-x^2`?

Answer 1

even

Explanation:

even function `f(x) = f(-x)`

odd function `f(-x) = - f(x)`

here `f(-x) = 2 (-x)^4 - (-x)^2 = 2x^4 - x^2 = f(x)`

ie even