SOLUTION: Dear Tutor, I am really struggling with this question and desperately in need of your help to solve this question. {{{Consider f(x) = 2x + 3. Find the inverse of this function.

Algebra ->  Inverses -> SOLUTION: Dear Tutor, I am really struggling with this question and desperately in need of your help to solve this question. {{{Consider f(x) = 2x + 3. Find the inverse of this function.       Log On


   

Question 968266: Dear Tutor, I am really struggling with this question and desperately in need of your help to solve this question.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
To find the inverse, use x-y terminology.
Interchange x and y and solve for y.
This new y is the inverse.
y=2x%2B3
x=2y%2B3
x-3=2y
y=%28x-3%29%2F2
f%5E%28-1%29%28x%29=%28x-3%29%2F2
Take x subtract 3 from it, then divide the difference by 2.