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

    Nov 29, 2011, 04:32 AM
    math questions...
    g(x)=4-2x
    1) g(f(2))
    2) G(a-1)

    how do u plug this in?
    and solve this for me please
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Nov 29, 2011, 07:53 AM
    For 1), you simply replace the 'x' in the first equation with f(2):

    g(f(2)) = 4 - 2f(2)

    For 2) there apparenly is a different function called 'G(x)' which you have not defined for us.
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