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Thread: Concavity of this function

  1. June 2nd 2011, 03:56 PM #1
    LandLBoy
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    Concavity of this function

    y = x(5-x)^2/3

    i found y''(x)= (10x-60)/(9x-45)(5-x)^1/3

    how would i set up my intervals for this to find concavity points?
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  2. June 2nd 2011, 04:18 PM #2
    Plato
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    Quote Originally Posted by LandLBoy View Post
    y = x(5-x)^2/3

    i found y''(x)= (10x-60)/(9x-45)(5-x)^1/3

    how would i set up my intervals for this to find concavity points?
    See this
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