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13 August, 15:53

Over which interval is the graph of f (x) = -x^2+3x+8

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  1. 13 August, 16:13
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    The answer for this question is (-infinity, 1.5)

    Step-by-step explanation:

    because when f (x) is increasing f' (x) > 0

    -2x + 3 > 0

    -2x > - 3

    x< 3/2 or 1.5
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