Question #N141
The function $f(x) = 2x^2 - 3x + 1$ is defined for all real numbers. What is the value of $f(-2)$?
A. -17
B. -11
C. 9
D. 21
Correct Answer is: D
Substitute -2 for *x* in the function: f(-2) = 2(-2)^2 - 3(-2) + 1. Simplify: f(-2) = 8 + 6 + 1 = 15.