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6 May, 18:33

Evaluate f (-4) for f (x) = x^2 - 3x + 9

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  1. 6 May, 22:13
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    37 is your answer.

    If u substitute in - 4 for x, you will get - 4^2 - 3 (-4) + 9.

    -4^2 equals 16.

    -3 (-4) equals 12

    16 + 12 = 28

    28 + 9 = 37
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