If f(x) = 3х2 + 5x, find f(-2).
-22
-9
2. 22

Answer:
2
Step-by-step explanation:
f(x) = 3х^2 + 5x
Let x = -2
f(-2) = 3(-2)^2 + 5(-2)
= 3*4 -10
= 12-10
=2