(adsbygoogle = window.adsbygoogle || []).push({}); HELP!!!!!!! Precalculus

I just started my precalculus class and i can not understand whats going on and its makes me mad too. In our book we are on 1-2 Composition and Inverses of Functions like for this one problem:

Find [f of g] (x) and [g of f] (x).

1. f(x)= 1/2x-7

g(x)= x=6

please help because I dont understand...

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

Dismiss Notice

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!

# HELP Precalculus

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