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14 November, 13:48

F (x) = 4x² + 6x - 2

Find f (-5)

+5
Answers (2)
  1. 14 November, 16:36
    0
    68

    Step-by-step explanation:

    Replace all x with - 5

    f (-5) = 4 (-5) ^2+6 (-5) - 2

    = 68
  2. 14 November, 16:40
    0
    f (-5) = 68

    Step-by-step explanation:

    f (x) = 4x² + 6x - 2

    f (-5) = 4 (-5) ² + 6 (-5) - 2

    f (-5) = 4 (25) - 30 - 2

    f (-5) = 100 - 30 - 2

    f (-5) = 68
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