I'm just going to use this to do some mathematics to send to a very special person , basically hogging your equation software thing. Just to make it useful, I'll explain what is to be done.
Basically what we're doing here is finding out if a function is even or odd.
If then the function is odd.
If then the function is even.
If or then the function is neither even or odd.
Say we have
To find out if it's odd or even we find
So that means the function
Is even because