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Math Help - Modelling data with a graph.

  1. #1
    Junior Member allsmiles's Avatar
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    Modelling data with a graph.

    Ok, well i never did get these, can someone please explain how to do these?

    I did try it and got the answer D, but didn't think that was right.





    Which graph most closely models the data in the table?
    Last edited by mr fantastic; June 1st 2010 at 06:22 PM. Reason: Re-titled.
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  2. #2
    MHF Contributor Unknown008's Avatar
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    I would say graph C.

    As the value of x increases, you first see that y increases.
    So, your first assumption is that it should be A or B.

    But then, it goes down to 2, but goes up again to 3. So, it cannot be increasing nor decreasing.

    The closest is then C. If the line is at y = 3, then it fluctuates with +/- 1 from the actual value.
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