SOLUTION: 1. given f(x)=3x-5 find f^-1(x) 2. given g(x)=x-1/4 find g^-1(x)

Algebra ->  Equations -> SOLUTION: 1. given f(x)=3x-5 find f^-1(x) 2. given g(x)=x-1/4 find g^-1(x)      Log On


   

Question 1157690: 1. given f(x)=3x-5 find f^-1(x)

2. given g(x)=x-1/4 find g^-1(x)
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
1:

x=3y-5
x%2B5=3y
y=%28x%2B5%29%2F3
-
-
f-1%28x%29=%28x%2B5%29%2F3


2:
which do you have?
g%28x%29=x-1%2F4
or
g%28x%29=%28x-1%29%2F4