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keeponbleeding

  • 3 years ago

Is this function even or odd or neither? f(x) = -9x^4 + 5x + 3

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  1. Jonask
    • 3 years ago
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    \[f(-x)=f(x)\] even \[f(-x)=-f(x)\] odd

  2. keeponbleeding
    • 3 years ago
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    so f(-x) = -9(-x)^4 +5(-x) +3 do i follow?

  3. Jonask
    • 3 years ago
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    yes

  4. Jonask
    • 3 years ago
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    \[=-9x^4-5x+3\] x^4 is even

  5. Jonask
    • 3 years ago
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    \[x,x^3,x^5,x^7...\]odd \[x^2,x^4,x^6...\]even

  6. keeponbleeding
    • 3 years ago
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    So the function is therefore neither??

  7. keeponbleeding
    • 3 years ago
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    oh and thanks, those help, I will write them down

  8. Jonask
    • 3 years ago
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    but th rules also work i c=dont know why its not the same thou maybe cos we are adding an odd + even=odd

  9. Jonask
    • 3 years ago
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    so its none

  10. Jonask
    • 3 years ago
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    none of them

  11. Jonask
    • 3 years ago
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    neither

  12. keeponbleeding
    • 3 years ago
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    thank you!

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