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Math Help - graph, constant and improving...

  1. #1
    Junior Member User Name's Avatar
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    Post graph, constant and improving...

    Last edited by User Name; May 7th 2009 at 07:19 AM.
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  2. #2
    MHF Contributor
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    Try plugging various values in for "c", graphing in your calculator or other software, and tracking what the changes are.
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  3. #3
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    Quote Originally Posted by User Name View Post
    hi all members, I cannot answer this question can anyone please help me and teach me by steps? Thanks!
    An equation of the form Y=2[e^(x/2c)+e^((-x)/2c)] where c is a constant. So, for positive, how C affects the graph and equation?

    Thanks again
    Define f(x) = 2 [e^{x/2} + e^{-x/2}].

    Then your function is f\left(\frac{x}{c}\right) and so the effect of positive c is to dilate in the horizontal direction by a factor of c.
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