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    Mermaid22 Posts: 1, Reputation: 1
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    #1

    Sep 9, 2010, 08:47 PM
    Investigate the function y=5/(x2 + 1) - 1
    Y=5
    (x2 +1)-1
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Sep 10, 2010, 05:57 AM

    Do you mean this?



    What is it that needs to be investigated? One thing to note is that y=0 if , which means the roots of the equation are at , or .
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