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Math Help - Linear Functions Help needed!

  1. #1
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    Sep 2009
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    Linear Functions Help needed!

    I had this question that seems to be complicated for me..... I m confused coz I cant figure which formula I got to use here..... It would be really good if someone solves this for me..... All help is appreciated!!

    The question is :

    g is a linear function such that g(-2)=2.8 and g(3)= -5.1
    Find a formula for g(x).
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  2. #2
    Banned
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    May 2009
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    g(x)=ax+b

    2.8=a(-2)+b

    -5.1=a(3)+b


    solve those two equations... linear functions take the form ax+b, plug in your info and we get those two equations
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