Posted by **Unknown** on Wednesday, August 29, 2012 at 2:31pm.

Helpp?

Graphs of functions !!

I need to determine if these are odd or even?

1. f(x)=x^5-x

2. f(x)=5

3.f(x)=x^4+2x^3

- Algebra2 -
**Steve**, Wednesday, August 29, 2012 at 2:32pm
even if f(-x) = f(x)

odd if f(-x) = -f(x)

even if all powers are even

odd if all powers are odd

remember that 0 is an even power

- Algebra2 -
**Unknown**, Wednesday, August 29, 2012 at 2:33pm
So These Are all even?!

Sorry I'm still kind of lost..

- Algebra2 -
**Steve**, Wednesday, August 29, 2012 at 2:38pm
come on. can't tell even and odd numbers?!?!?

x^5-x = x^5 - x^1

5 and 1 are both odd, so f(x) is odd

5 = 5x^0

0 is an even power, so f(x) is even

x^4 + 2x^3

4 is even, 3 is odd, so f(x) is neither even nor odd.

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