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Math Help - Identify Graph/curve

  1. #1
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    Identify Graph/curve

    Could you please help me to identify this following graph/curve in the attached file?

    Which type of function is it?

    It supposed to look something like this if it helps:

    figure

    Best regards!
    //Jen
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by JenHv71 View Post
    Could you please help me to identify this following graph/curve in the attached file?

    Which type of function is it?

    It supposed to look something like this if it helps:

    figure

    Best regards!
    //Jen
    I plotted the bivariant data from your spreadsheet into a TI-84+ and the resulting graph proved to be a cubic regression that seemed to match every point. The correlation coefficient was .999102546 (pretty close to 1).

    The equation is: y=-.00407x^3+.15356x^2-1.27574x+18.27288

    Don't know if this is any help at all. Just throwing it out there.
    Last edited by masters; June 4th 2008 at 03:16 PM.
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  3. #3
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    Quote Originally Posted by masters View Post
    I plotted the bivariant data from your spreadsheet into a TI-84+ and the resulting graph proved to be a cubic regression that seemed to match every point. The correlation coefficient was .999102546 (pretty close to 1).

    The equation is: y=-.00407x^3+.15356x^2-1.27574x+18.27288

    Don't know if this is any help at all. Just throwing it out there.
    Thank you sooooo much! It helped me a lot! You're the best!
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