Is the function f(x)=x²(4-x)²

even?

3 answers

if x = -1
(4-x)^2 = 25
if x = +1
(4-x)^2 = 9
so it is not the same for all + x as for all -x so it is not even.
I answered odd and the instuctor marked it wrong, would it be neither?
It is also not odd.
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