Question

Given f(x) = x^3 - 3, find f ( -2 ).

Answer 1

f(-2) = -11

Explanation:

To evaluate f(x) = x^3 - 3 at x = -2, substitute -2 for x on both sides of this equation:

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

= -8 - 3

f(-2) = -11