Question

Find the inverse function. Please help me!!!

Answer 1

f^-1(x)=2x-5/2

Answer 2

`{f}^( - 1) (x) = (4x- 5)/(2)`

Explanation:

f(x)= 2x + 5

----------

4

y =2x + 5

---------

4

4y=2x+5

4y-5=2x

4y-5

x=---------

2

`{f}^( - 1) (y) = (4y - 5)/(2)`

`{f}^( - 1) (x) = (4x- 5)/(2)`