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Thread: Function question need help

  1. March 2nd 2012, 03:07 PM #1
    mathkid12
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    Function question need help

    Find f ' (x) for the function

    f(x) = x^2 / x^3 + 4


    how to start this and what do f ' mean...
    please if you cant help with question tell me what f ' means
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  2. March 2nd 2012, 03:26 PM #2
    Plato
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    Re: Function question need help

    Quote Originally Posted by mathkid12 View Post
    Find f ' (x) for the function
    f(x) = x^2 / x^3 + 4
    how to start this and what do f ' mean...
    please if you cant help with question tell me what f ' means
    Surely you mean \dfrac{x^2}{x^3+4}.
    That is not what you posted.
    Now you learn to post correctly if you want proper help.

    If f(x)=\dfrac{g(x)}{h(x)} then f'(x)=\dfrac{g'(x)h(x)-g(x)h'(x)}{[h(x)]^2}
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  3. March 2nd 2012, 03:37 PM #3
    mathkid12
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    Re: Function question need help

    Sorry for asking how to post that properly LOL
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