Question

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

A) -19
B) -3
C) -1
D) 5

Answer 1

B

Explanation:

To evaluate f(2) substitute x = 2 into f(x), that is

f(2) = - (2)³ + 2(2)² - 3 = - 8 +2(4) - 3 = - 8 + 8 - 3 = - 3