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19 August, 21:49

Which ordered pairs lie on the graph of the exponential function f (x) = 128 (0.5) Choose all correct answers.

Question 1 options: (0, 1)

(1, 64)

(3, 16)

(8, 0.5)

+5
Answers (1)
  1. 19 August, 22:10
    0
    To determine the ordered pair that lies on the graph of the exponential function f (x) = 128 (0.5^x), we can substitute each option and look at which pair agree with the function. We do as follows:

    f (x) = 128 (0.5^x)

    (0, 1)

    f (x) = 128 (0.5^0)

    f (x) = 128 <---not the answer

    (1, 64)

    f (x) = 128 (0.5^1)

    f (x) = 64 <---the answer

    (3, 16)

    f (x) = 128 (0.5^16)

    f (x) = 0.002 <---not the answer

    (8, 0.5)

    f (x) = 128 (0.5^0.5)

    f (x) = 90.51 <---not the answer
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