Easy!!! if f(x)=-9x-9 and g(x)=√x-9, find f(g)(10) I have 8 other problems and everyone says this is really easy but I don’t ge

Question

Easy!!!
if f(x)=-9x-9 and g(x)=√x-9, find f(g)(10)
I have 8 other problems and everyone says this is really easy but I don’t get it and I’m freaking out

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Quinn 2 weeks 2021-10-11T22:20:53+00:00 1 Answer 0

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    0
    2021-10-11T22:22:00+00:00

    Step-by-step explanation:

    f(g(10))

    This is called a composite function.  It’s when you plug one function into another.

    First, find g(10):

    g(x) = √(x-9)

    g(10) = √(10-9)

    g(10) = √1

    g(10) = 1

    Then plug that into f(x):

    f(x) = -9x – 9

    f(g(10)) = -9 g(10) – 9

    f(g(10)) = -9 (1) – 9

    f(g(10)) = -9 – 9

    f(g(10)) = -18

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