Question

Given f(x) = x cubed - 3, find f(-2)

Answer 1

f(-2) = -11

Explanation:

f(x) =x^(3)-3

We want to find f(-2) , which means x=-2

f(-2) = (-2) ^3-3

(-2)^3 = -8

f(-2) = (-8)-3

f(-2) = -11