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12 November, 13:36

21) The exponentia

exponential function y = 2 (3) grows by a factor of 9 between x = 1 and x = 3. What

Factor does it grow by between x=5 and x=7

A) 3

B) 6

99

D) 18

+1
Answers (1)
  1. 12 November, 14:05
    0
    C. 9.

    Step-by-step explanation:

    I think you mean y = 2 (3) ^x.

    When x = 1, y = 6 and when x = 3, y = 54 so that is a factor of 6.

    When x = 5, y = 2 (3) ^5 = 486

    when x = 7, y = 2 (3) ^7 = 4374

    The factor id 4374/486 = 9.
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