Question

Given that f(x) = 2x + 1
Find f^-1(x)​

Answer 1

`F^(-1)` (x) =
`(x)/(2)` -
`(1)/(2)`

Hope this helped!

Answer 2

f-¹(x) = (x-1)/2

Explanation:

switch the x and y then solve for y

x= 2y +1

x- 1 = 2y

y = (x-1)/2