Which function is the inverse of the function ƒ(x)= 3x -2?

Question

(A) 𝑔(𝑥)=𝑥 over 3 +2
B) 𝑔(𝑥)=2−3𝑥
(C) 𝑔(𝑥)=𝑥+2 over 3
(D) 𝑔(𝑥)=𝑥−3 over 2
(E) 𝑔(𝑥)=𝑥−2 over 3

Answer 1

x = 3 y - 2
3 y = x+2
y = (x+2)/3