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7 December, 04:37

What's the 10th term of a sequence with an explicit rule of f (n) = 5 + 2 (n - 1) ?

A. f (10) = 23

B. f (10) = - 5

C. f (10) = 13

D. f (10) = 20

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Answers (1)
  1. 7 December, 04:55
    0
    A

    Step-by-step explanation:

    Substitute n = 10 into the explicit formula, that is

    f (10) = 5 + 2 (10 - 1) = 5 + (2 * 9) = 5 + 18 = 23 → A
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