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

    Sep 19, 2009, 02:58 PM
    how do I solve this?
    j(7)=2x+9
    wuendy's Avatar
    wuendy Posts: 2, Reputation: 1
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    #2

    Sep 19, 2009, 05:59 PM

    j(7)=2x+9
    wuendy's Avatar
    wuendy Posts: 2, Reputation: 1
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    #3

    Sep 19, 2009, 06:00 PM
    j(7)=2x+9
    morgaine300's Avatar
    morgaine300 Posts: 6,561, Reputation: 276
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    #4

    Sep 19, 2009, 06:41 PM

    Continuing to post the same problem isn't going to help anything.

    It originally looked like:
    j(x) = 2x +9

    Which means 2x + 9 for whatever x we choose to use for the function. When a number is inserted in the parenthesis, it means use that number for the x.

    So x becomes 7. Just insert it for x and solve.
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