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5 January, 18:03

What is the average rate of change of the function f (x) = 2^x-3 from x=4 and x=6?

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  1. 5 January, 18:08
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    f (x) = 2^x-3

    f (6) = 2^x-3

    f (6) = 2^6-3

    f (6) = 64-3 = 61

    f (4) = 2^ 4-3

    f (4) = 16-3

    f (4) = 13

    average rate of change = change in f (x) / change in x

    = (61-13) / (6-4)

    =48/2

    =24
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