Question

If f(x) = 3x-2, find f^-1(x)

Answer 1

i think po -1x

Explanation:

pero hindi ako cguro sa answer ko

Answer 2

Explanation:

f(x) = 3x - 2

f^-1(x)= ?

let y = f(x)

y = 3x - 2

Interchanging the roles of x and y we get

x = 3y - 2

x + 2 = 3y

y = (x+2)/3

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