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16 February, 07:57

f (x) = 7-8x; x=-2, x=4

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Answers (2)
  1. 16 February, 07:59
    0
    f (x) = - 8x+7

    f (-2) = - 8 (-2) + 7 f (4) = - 8 (4) + 7

    f (-2) = 16+7 f (4) = - 32+7

    f (-2) = 23 f (4) = - 25
  2. 16 February, 08:15
    0
    F (x) = 7-8x, f (2) = 24

    f (x) = 7-8x, f (4) = - 25
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