Answer the question shown below.

Identify each function as even (E), odd (O), or neither (N). Function A: f(x) = -x(-x2 - 1)(x2 + 1) Function B: f(x) = -x(x2 + 1)(x2 - 1) Function C: f(x) = x2(x2 + 4)(-x2 + 4) Function D: f(x) = -x2(-x2 + 3)(x2 - 3) Answer: Function A is Function B is Function C is Function D is Sub