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anonymous

  • one year ago

Determine algebraically whether the function is even, odd, or neither even nor odd. f(x) = -9 x3 + 8x

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  1. anonymous
    • one year ago
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    both exponents are ...

  2. anonymous
    • one year ago
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    odd

  3. anonymous
    • one year ago
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    bingo

  4. tkhunny
    • one year ago
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    That is not an "algebraic" solution.

  5. anonymous
    • one year ago
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    so wait you dont't have to do that long algebraic stuff?

  6. anonymous
    • one year ago
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    on the other hand, that is not what your math teacher wants you to say

  7. anonymous
    • one year ago
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    haha true thats what I thought but she doesnt need to see my work lol

  8. anonymous
    • one year ago
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    yeah your math teacher wants you to compute \[f(-x)\] and show that it is \(-f(x)\)

  9. anonymous
    • one year ago
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    \[f(-x)=-9(-x)^3+8(-x)=\text{ some algebra}=-(-9x^3+8x)=-f(x)\]

  10. anonymous
    • one year ago
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    yeah haha I like the easy way but thanks!

  11. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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