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Math Help - calculus homework help... sketching a graph of f

  1. #1
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    calculus homework help... sketching a graph of f

    The figure shows the graph of f" . Sketch agraph of f. (The answer is not unique.
    calculus homework help... sketching a graph of f-screen-shot-2012-11-12-4.40.17-pm.png
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    Senior Member jakncoke's Avatar
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    Re: calculus homework help... sketching a graph of f

    How about  f(x) = 3x^2 - \frac{x^3}{3}

     f'(x) = 6x - x^2

     f''(x) = 6 - 2x which is the graph in ur picture
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    MHF Contributor MarkFL's Avatar
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    Re: calculus homework help... sketching a graph of f

    Quote Originally Posted by jakncoke View Post
    How about  f(x) = 3x^2 - \frac{x^3}{3}

     f'(x) = 6x - x^2

     f''(x) = 6 - 2x which is the graph in ur picture
    I don't think the OP is supposed to use integration of obtain a member of the family of curves, but rather to use the implications of the given graph. Also, this topic has been posted twice.
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    Re: calculus homework help... sketching a graph of f

    jakncoke how did you get f(x) = 3x^2 - x^3/3?
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