Find f(-2) if f(x) = x + x + 7. f(-2) =

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Find f(-2) if f(x) = x + x + 7. f(-2) =

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Orla Orla 4 years 2021-08-05T06:26:53+00:00 1 Answers 17 views 0

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  1. Eirian
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    2021-08-05T06:28:35+00:00
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    Answer:

    f(-2) = 3

    Step-by-step explanation:

    Given that,

    f(x) = x + x + 7

    We need to find the value of f(-2).

    Put x = -2 in the given function.

    f(-2) = (-2) + (-2) + 7

    = -2-2+7

    = -4+7

    = 3

    Hence, the value of f(-2) is equal to 3.

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