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Math Help - 1. Composition 2. See Attached Picture for 2nd Problem

  1. #1
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    1. Composition 2. See Attached Picture for 2nd Problem

    1. Let f(x)=5x+3 and g(x)=3x^2+3x

    next problem...


    2. Using the attached picture find:

    A. f(g(-3)):?

    B. f(g(0)):?

    Thanks
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  2. #2
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    Picture is Attached Now...


    1. Let f(x)=5x+3 and g(x)=3x^2+3x

    next problem...


    2. Using the attached picture find:

    A. f(g(-3)):?

    B. f(g(0)):?

    Thanks
    Attached Thumbnails Attached Thumbnails 1. Composition 2. See Attached Picture for 2nd Problem-2.png  
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  3. #3
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    Quote Originally Posted by qbkr21 View Post
    Picture is Attached Now...


    1. Let f(x)=5x+3 and g(x)=3x^2+3x
    What is the question here?

    Quote Originally Posted by qbkr21 View Post
    2. Using the attached picture find:

    A. f(g(-3)):?

    B. f(g(0)):?
    These are composite functions and can be done quite simply, as long as you go step by step.

    A. f(g(-3)):
    First what is g(-3)? According to the graph g(-3) = 3.
    So f(g(-3)) = f(3) = 0

    B. f(g(0)):
    Again, what is g(0)? According to the graph g(0) = 1.
    So f(g(0)) = f(1) = -1.

    -Dan
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