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anonymous

  • 4 years ago

In quadratic functions: f(x) = x^2 does 2f(x) = f(-2x)?

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  1. Mertsj
    • 4 years ago
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    no

  2. anonymous
    • 4 years ago
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    nope

  3. anonymous
    • 4 years ago
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    correction does 2f(x) = f(2x) when f(x) = x^2

  4. Mertsj
    • 4 years ago
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    no

  5. anonymous
    • 4 years ago
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    still no

  6. anonymous
    • 4 years ago
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    ok, for what x values is it different?

  7. Mertsj
    • 4 years ago
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    Try 3

  8. anonymous
    • 4 years ago
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    2 f(x) would be 2x^2 f(2x) would be 4x^2

  9. anonymous
    • 4 years ago
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    ok

  10. anonymous
    • 4 years ago
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    i think i'm evaluating it incorrectly then

  11. anonymous
    • 4 years ago
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    i tried 3 and got the same answers

  12. anonymous
    • 4 years ago
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    2f(x), when x=3 2(3^2) f(2x), when x=3 f(2*3^2)

  13. Mertsj
    • 4 years ago
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    f(x)=x^2 f(3)=3^2=9 2f(3)=2(9)=18 f(2x)=f(6)=6^2=36 18 does not equal 36

  14. anonymous
    • 4 years ago
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    2f(x), when x=3 2(3^2) 2(9) 18 f(2x), when x=3 f(2*3^2) (2*9) 18

  15. anonymous
    • 4 years ago
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    ok ty

  16. Mertsj
    • 4 years ago
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    yw

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