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16 May, 12:06

Use the following function rule to find f (-1).

f (x) = - 11 + 8x

f (-1) = ?

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Answers (2)
  1. 16 May, 12:53
    0
    -19

    Step-by-step explanation:

    f (x) = - 11 + 8x

    f (-1) = -11 + 8 (-1)

    = - 11 - 8

    = - 19
  2. 16 May, 13:29
    0
    f (-1) = - 19

    Step-by-step explanation:

    Using the equation

    (f (x) = - 11 + 8x) we use f (-1) into it.

    f (-1) = - 11 + 8 (-1)

    f (-1) = - 11 - 8

    f (-1) = - 19
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