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Math Help - Local Maxima or Minima

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    Local Maxima or Minima

    Once again confused with all this..

    For the following function of one variable, determine all local maxima or minima ..

    F(x) = 4x - x^2

    Any help or direction is welcome
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    Quote Originally Posted by jcrane View Post
    Once again confused with all this..

    For the following function of one variable, determine all local maxima or minima ..

    F(x) = 4x - x^2

    Any help or direction is welcome
    if a function has extrema, then they occur at critical values of x ... critical values are those values of x where f'(x) = 0 or is undefined.

    once you find those critical values, use the 1st and/or 2nd derivative tests to classify the extrema.
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