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Evaluate f (-5) for the following function.

f (x) = x2 + x - 9

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Answers (2)
  1. 2 July, 23:03
    0
    -24

    Step-by-step explanation:

    -5 times 2 is negative 10. Negative 10 plus negative 5 is negative fifteen. Negative fifteen minus nine is Negative 24, or - 24.
  2. 2 July, 23:10
    0
    39

    Step-by-step explanation:

    f (x) = x2 + x - 9

    f (-5) = - 5² + - 5 - 9

    f (-5) = 25 + 14

    f (-5) = 39
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