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Math Help - Algebra 2 (Functions)

  1. #1
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    Nov 2009
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    Algebra 2 (Functions)

    Use the table below to:

    1 2 3 4 5 6 7
    3 1 5 8 2 3 2

    The top set of numbers are x
    The bottom set is g(x)

    a. evaluate g(4).

    b. solve g(x) = 2 for x.
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  2. #2
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    Joined
    Mar 2010
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    Quote Originally Posted by mjfaris View Post
    Use the table below to:

    1 2 3 4 5 6 7
    3 1 5 8 2 3 2

    The top set of numbers are x
    The bottom set is g(x)

    a. evaluate g(4).

    b. solve g(x) = 2 for x.
    a. g(4) =8. You look for 4 in the top row. that's x=4. The one underneath it is g(4)

    b. g(x) = 2. Look for 2 in the bottom row. You see it at x=5 and x=7. that means g(5) =2 and g(7) =2. So both 5 and 7 work.
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