Question 134871:
Thanks for the answers for the previous questions. Pls, am having difficulty with these ones. I need your help. it's very urgent
4x^3 - 5x. is it even, odd, or neither?
-4x^2 - 5. is it odd, even or neither?
f(x) = -4x divided by |5x|. is it odd, even, or neither?
-2x^3 divided by 7x^2 + 8. is it odd, even, or neither?
f(x)= 8x^3 + 3. is it odd, even, or neither?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! 4x^3 - 5x. is it even, odd, or neither?
-4x^2 - 5. is it odd, even or neither?
-f(-x) = -[-4x^2-5] = 4x^2+5 so not odd
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f(-x) = -4x^2-5 so even
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f(x) = -4x divided by] |5x|. is it odd, even, or neither?
f(x) = -f(-x) so odd
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-2x^3 divided by 7x^2 + 8. is it odd, even, or neither?
-f(-x) = -2(-x)^3 / 7(-x)^2+8 = 2x^3/(7x^2+8)
not odd; not even; so neither
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f(x)= 8x^3 + 3. is it odd, even, or neither?
-f(-x) = -[-8x^3+3] = = 8x^3-3
not odd; not even; so neither.
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Cheers,
Stan H.
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