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31 July, 00:55

Find f (5) and f (-1) for the equation:

f (x) = - 2x + 2

A.-8 and 1

B.-8 and - 1

C.-8 and 4

D.-8 and 2

+5
Answers (2)
  1. 31 July, 03:16
    0
    C. - 8 and 4

    Step-by-step explanation:

    Step 1: Plug in f (5)

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

    f (5) = - 10 + 2

    f (5) = - 8

    Step 2: Plug in f (-1)

    f (-1) = - 2 (-1) + 2

    f (-1) = 2 + 2

    f (-1) = 4
  2. 31 July, 03:19
    0
    -8 and 4

    Step-by-step explanation:

    Put x as 5 and solve.

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

    f (5) = - 10 + 2

    f (5) = - 8

    Put x as - 1 and solve.

    f (-1) = - 2 (-1) + 2

    f (-1) = 2 + 2

    f (-1) = 4
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