SOLUTION: decide whether f is even, odd, or neither?? f(x)=x^4-3x^2+9

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Question 1126035: decide whether f is even, odd, or neither??
f(x)=x^4-3x^2+9
Answer by ikleyn(52797) About Me  (Show Source):
You can put this solution on YOUR website!
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Even.

Since it is algebraic sum of even monomials.