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    saints10's Avatar
    saints10 Posts: 1, Reputation: 1
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    #1

    Nov 7, 2010, 09:28 AM
    solving functional equations. If f(x)=3x+7 and g(x)=x^2-2x, find each value. f(8)-5
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Nov 7, 2010, 09:51 AM
    All you have to do is plug in 8 for x and subtract 5 from the result.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Nov 7, 2010, 10:04 AM

    Or the question is not complete and the Go skin cut the last part of the question, then copied the part which barely fit in the title area to the post... Rick? You hear me?
    1623721's Avatar
    1623721 Posts: 1, Reputation: 1
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    #4

    Oct 30, 2012, 04:59 AM
    You would just do g(2c) is equal to 2c squared-2(2c) and that would equal 2c squared-4c.
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