Question

Given f(x) = (3x-1)/2 , solve for f^-1(4).

Answer 1

@isagnik

Answer 2

first you need to find the inverse of f(x)
do you know how to do that?

Answer 3

yes. i solved for y and then got 3. am I right?

Answer 4

you are right

Answer 5

let y = (3x-1)/2
- solve for x to find f-1(x)
(replace y by x)

then replace x by 4 to find f-1(4)

Answer 6

ok so 3 is the answer! thank you @cwrw238

Answer 7

yw