Question

Let f (x)= 3x- 2x + 1. What is the value of f(-4)?
A) 55
B) -49
41
(D) 57

Answer 1

Explanation:

since f (x) = 3x^2-2x+1

then f(-4) = 3((-4)^2) - 2(-4)+1

= 48 +8 +1 = 57