SOLUTION: I have no idea how to solve this question. The question is find the inverse function of f. f(x)=3x+8 Thanks! Melissa

Algebra ->  Square-cubic-other-roots -> SOLUTION: I have no idea how to solve this question. The question is find the inverse function of f. f(x)=3x+8 Thanks! Melissa      Log On


   

Question 709088: I have no idea how to solve this question.
The question is find the inverse function of f.
f(x)=3x+8
Thanks!
Melissa
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=3x+8

y=3x+8

x=3y+8

x-8=3y

(x-8)/3=y

y = (x-8)/3

The inverse function is f^(-1) = (x-8)/3