Question

Find f(-2).

f(x) = 9x2 - 5x + 2
A) 14
B) 18
C) 28
D) 48

Answer 1

f(x) = 9x² - 5x + 2 

f(-2) = 9(-2)² - 5(-2) + 2
f(-2) = 36 + 10 + 2 
f(-2) = 48