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16 July, 12:32

Between x = 2 and x = 3, which function has a greater average rate of change than y = 1 / 3 ^-x?

A) y = 2^x

B) y = 5^x-2

C) y = 1 / 4 ^-x

D) y = 2 / 3 ^-x

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Answers (1)
  1. 16 July, 14:56
    0
    C) Y = 1/4-X

    Step-by-step explanation:

    average rate of change =

    Δy/Δx

    The average rate of changes for each of the functions between 2 and 3 is 4, 48, 9/8, and 4. The average rate of change of y = 1/3 - x is 18. Therefore the average rate of change that is greater is 48, which is the function y = 1/4 - x
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