Question

What is the value of f(x) when x = -3?

f(x)=2x^2=4x+10
A) -14
B) -8
C) 16
D) 34

Answer 1

C) 16

Explanation:

f(x)=2x^2+4x+10

Let x = -3

f(-3) = 2(-3)^2 +4(-3) +10

= 2(9)- 12+10

= 18 -2

= 16