If f(x) = 4x + 5,, determine f(-2). a. -7/4 b. 13 c. -3 d. 7

Question

If f(x) = 4x + 5,, determine f(-2).
a. -7/4
b. 13
c. -3
d. 7

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Nho 6 months 2021-09-04T10:43:02+00:00 2 Answers 1 views 0

Answers ( )

  1. Ben
    0
    2021-09-04T10:44:28+00:00
    Reply

    Answer:

    -3

    Step-by-step explanation:

    f(x) = 4x + 5

    Let x = -2

    f(-2) = 4(-2) + 5

            =-8+5

               -3

  2. thuhuong
    0
    2021-09-04T10:44:59+00:00
    Reply

    Answer:

    C

    Step-by-step explanation:

    f(-2) = 4(-2) + 5

    f(-2) = -8 + 5

    f(-2) = -3

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