Which function is linear

A. F(x) = |3x| + 4
B. F(x) = 1/3x + 4
C. F(x) = 3x - 4
D. F(x) = |3x| - 4


Answer :

D is the answer you got to do

Answer:

D. F(x) = |3x| - 4

Step-by-step explanation: