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20 July, 23:35

If f (x) = 8x+6, what is f (-1)

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Answers (2)
  1. 20 July, 23:48
    0
    F (x) = 8x + 6

    To find f (-1), substitute x = - 1:

    f (-1) = 8 (-1) + 6 = - 8 + 6 = - 2

    Answer: f (-1) = - 2
  2. 20 July, 23:50
    0
    If I remember correctly this is how you solve it.

    f (x) = 8x+6

    f (-1) = 8 (-1) + 6

    f (-1) = - 8+6

    f (-1) = - 2
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