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8 April, 14:01

Find f (-7) if f (x) = 2x + 8.

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Answers (2)
  1. 8 April, 16:20
    0
    f (x) = 2x + 8

    f (-7) = 2 (-7) + 8

    f (x) = - 14 + 8

    f (x) = - 6
  2. 8 April, 16:40
    0
    -14 + 8 = - 6

    needs more characters to let me answer ...

    -6 is your answer
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