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4 October, 23:10

For f (x) = 0.02 (2) ^x find the average rate of change from x = 3 to x = 8

1) 0.08

2) 0.496

3) 2.48

4) 5

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Answers (1)
  1. 4 October, 23:46
    0
    None of the offered choices is correct.

    f (3) = 0.02·2³ = 0.02·8 = 0.16

    f (8) = 0.02·2⁸ = 0.02·256 = 5.12

    Then the average rate of change is

    ... (f (8) - f (3)) / (8 - 3) = (5.12 - 0.16) / 5 = 4.96/5 = 0.992
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