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28 January, 10:56

Which formula can be used to describe the sequence?

-2 2/3, - 5 1/3, - 10 2/3, - 21 1/3, - 42 2/3.

A: f (x + 1) = - 2f (x)

B: f (x + 1) = - 1/2 f (x)

C: f (x + 1) = 1/2 f (x)

D: f (x + 1) = 2f (x)

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Answers (2)
  1. 28 January, 11:18
    0
    (D) f (x+1) = 2f (x)
  2. 28 January, 14:52
    0
    the answer is A. f (x + 1) = - 2f (x)

    Step-by-step explanation:

    every new number in the sequence is multiplied by - 2, making it - 2f (x).
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