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Nanoman

  • 3 years ago

Check my work: Inflection points Note: I think I may have found the possible inflection points. How do I check to make sure they are the right points? I know that they are this time, but the points are right next to each other.

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  1. Yahoo!
    • 3 years ago
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    Inflection : f''(x) = 0

  2. Nanoman
    • 3 years ago
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    I took the second derivative, and set it to 0. I got -1,0,and 1.

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  3. Nanoman
    • 3 years ago
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    So my answer is 3.

  4. Yahoo!
    • 3 years ago
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    60 x^3 - 60x = 0 ryt ?

  5. Nanoman
    • 3 years ago
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    right.

  6. Yahoo!
    • 3 years ago
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    x^2 = 1

  7. Yahoo!
    • 3 years ago
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    x = 1 or -1

  8. Nanoman
    • 3 years ago
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    Couldn't 0 also be a root?

  9. Nanoman
    • 3 years ago
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    @Yahoo!

  10. Yahoo!
    • 3 years ago
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    is 0^2 = 1 ???

  11. hba
    • 3 years ago
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    No lol.

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