Question

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

Answer 1

a

Explanation:

i took the test

Answer 2

Explanation:

Given

f(x) = 3x - 2

f^-1(x) = ?

Now

Let y = f(x)

or y = 3x - 2

Interchanging the role of x and y

x = 3y - 2

x + 2 = 3y

y =( x + 2 ) / 3

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

Hope it helps.