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30 March, 12:55

Write a recursive formula for the arithmetic sequence.

3,9,15,21, ...

A. A (n) = A (n - 1) + 4; A (1) = 3

B. A (n) = A (n - 1) + 3; A (1) = 3

C. A (n) = A (n - 1) + 5; A (1) = 3

D. A (n) = A (n - 1) + 6; A (1) = 3

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Answers (1)
  1. 30 March, 16:46
    0
    The answer to this question will be B
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