How do I find the inverse of the following function: f(x)= -3x^2 + 6x + 2(adsbygoogle = window.adsbygoogle || []).push({});

The answer is +/- sqrt( [2-x/3] +1 ) + 1

I have no idea how to get that answer. I tried switching x and y and solving for x but I can't get the answer. TiA.

**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 function

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