Question

Given f(2) = 12, which of the following could be an equation of the function?

A.
f(x) = 8x – 2
B.
f(x) = 4x + 4
C.
f(x) = 6x – 4
D.
f(x) = –4x – 4

Answer 1

Answer is B. f(x) = 4x + 4 When we use x=2 in this function f(2) = 4(2) + 4 f(2)= 8 + 4 f(2) = 12 So the answer is B.