# Thread: even functions??

1. ## even functions??

suppose g is an even function.
h=fog
is h always an even function? how do you justify with proofs?

2. ## Re: even functions??

Write what it means for h to be an even function, substitute the definition of h and of function composition. Start the proof and show your work.

3. ## Re: even functions??

can you be more specific please?

4. ## Re: even functions??

Originally Posted by pnfuller
can you be more specific please?
Sorry; to get the definition of an even function you need to go to your source (textbook or lecture notes).