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19 April, 12:51

Calculate the average rate of change of f (x) = x2 - 1 x - 4 for 2 ≤ x ≤ 6.

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  1. 19 April, 13:28
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    The average rate of change is (total change in f (x)) / (total change in x) so

    r = (f (6) - f (2)) / (6-2)

    r = (36-6-4-4+2+4) / 4

    r=7
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