Given g(x) = :-2 +4, solve for a when g(x) = 0.

Question

Given g(x) = :-2 +4, solve for a when g(x) = 0.

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Kim Chi 3 years 2021-08-28T06:45:58+00:00 1 Answers 0 views 0

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  1. thuthuy
    0
    2021-08-28T06:47:18+00:00
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    Answer:

    -7/4

    Step-by-step explanation:

    You are looking for the composite g(f(2)). The simplest way to solve this is to evaluate f(2) and enter the solution in to your g function.

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

    g(-4)=4/(-4(-4)-2)=4/(16-2)=4/14=2/7

    Therfor, g(f(2))=2/7  **I’m assuming the -4x-2 is all in the denominator of the g(x) function. If -2 is not in the denominator you would have

    g(f(2))=4/(-4(-4)) -2=4/16 -2=1/4 -2=1/4-8/4= -7/4

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )