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20 February, 00:00

Evaluate f (x) = - 2x2 - 4 for x = 3.

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Answers (2)
  1. 20 February, 00:12
    0
    F (x) = - 2x2 - 4

    f (3) = - 2 (3) (2) - 4

    f (3) = - 12 - 4

    f (3) = - 16

    So, f (x) = - 16 when x = 3
  2. 20 February, 00:21
    0
    The answer is - 16 because (-2) (3) (2) = (-6) (2) = - 12-4=-16
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