Question

Evaluate f(x)=3x-9, when x=-2
A. -18
B. -33
C. -3
D. -15

Answer 1

d. -15

Explanation:

f(x) = 3x - 9, when x = -2

Input -2 into the function for x and solve:

f(-2) = 3(-2) - 9

f(-2) = -15

Hope this helped :)