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Math Help - Differentiate sqrt{x} (7x - 4)

  1. #1
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    Differentiate sqrt{x} (7x - 4)

    http://www.webassign.net/cgi-bin/sym...20x%20-%204%29

    my set up:

    x^(1/2) (7x - 4)

    7x^(3/2) -4x^(1/2)



    y' = (21/2)x^(1/2) - 2x^(-1/2)


    is this correct?
    Last edited by mr fantastic; July 13th 2011 at 03:48 AM. Reason: Re-titled.
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  2. #2
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    Re: Differentiate the following function

    Yes, it's correct.
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