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Math Help - Need help with 1 question on functions

  1. #1
    falz923
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    Need help with 1 question on functions

    i have a problem labeled given P(x) = 4x+7, write P(-2+h) - P(-2) in simplest form.

    For this question i need not the answer to the method of solving this sort of function. I have done many function problems, but am confused on this one.
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  2. #2
    GAMMA Mathematics
    colby2152's Avatar
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    Quote Originally Posted by falz923 View Post
    i have a problem labeled given P(x) = 4x+7, write P(-2+h) - P(-2) in simplest form.

    For this question i need not the answer to the method of solving this sort of function. I have done many function problems, but am confused on this one.
    Plug and chug my friend!

    P(x) = 4x+7

    P(5-y) = 4(5-y)+7 \Rightarrow 20 - 4y + 7 = 27 - 4y
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