If f:A -> B and g:B -> C are functions, is this true: f o g is also a function and (f o g) ^-1 = gof(adsbygoogle = window.adsbygoogle || []).push({});

I think this isn't true, but if this isn't the case, could someone please tell me a counter example?? Thanks

**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!

# Composite Functions

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