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Math Help - Show that u is a linear function of v -calculus

  1. #1
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    Show that u is a linear function of v -calculus

    For u =

    ln([f(x)/A] / [1-(f(x)/A))

    And v = lnx

    Show that u is a linear function of v.


    Any hints? I'm not sure what the capital "A" is supposed to represent, I've never seen it before. Maybe just a general constant? I don't know...
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by theowne View Post
    For u =

    ln([f(x)/A] / [1-(f(x)/A))

    And v = lnx

    Show that u is a linear function of v.


    Any hints? I'm not sure what the capital "A" is supposed to represent, I've never seen it before. Maybe just a general constant? I don't know...
    You need to show that:

    \frac{du}{dv}=c

    where c is a constant. Use:

    \frac{du}{dv}=\frac{du}{dx}~\frac{dx}{dv}

    RonL
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