how do i find(adsbygoogle = window.adsbygoogle || []).push({});

f(x)^-1 of y=4x+9/2x-3

the answer in the back of the text book is

f(x)^-1=3x+9/2x-4

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Inverse functions

**Physics Forums | Science Articles, Homework Help, Discussion**