Question

F(x) = x^2 - x^3
Select the value of f(-2)
A. -4
B. 4
C. -12
D. 12
​

Answer 1

D

Explanation:

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

f(- 2) = (- 2)² - (- 2)³ = 4 - (- 8) = 4 + 8 = 12 → D