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ap calculus

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-find the coordinates for all points of inflection . find all intervals on which function has upward or downward concavity?
-i found to be 2/5

  • ap calculus -

    Wouldn't one need a function?

  • ap calculus -

    oh!
    the function is (2-5x)^3
    i got the double derivative
    -15(2-5x)(-5)

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