g(x) = 2x + 1 and f(x) = g(x) – 3, what is f(2)?

Question

g(x) = 2x + 1 and f(x) = g(x) – 3, what is f(2)?

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Jezebel 4 years 2021-08-06T22:18:52+00:00 1 Answers 18 views 0

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  1. Eirian
    0
    2021-08-06T22:20:39+00:00
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    Answer:  2

    Step-by-step explanation:

    We put the g(x) in the f(x) function, we get f(x) = 2x + 1 -3. We simplified it, so we get f(x) = 2x – 2.

    And we plug in 2 for x to solve for f(2).

    f(x) = 2x – 2

    f(2) = 2(2) – 2

    f(2) = 4 – 2

    f(2) = 2

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