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15 August, 16:05

In an arithmetic sequence, a14=-75 and a26=-123 Which recursive formula defines the sequence?

A. an=an-1-4; a1=-23

B. an=an-1-4; a1=-19

C. an=-4an-1-19; a1=-23

D. an=-4an-1-19; a1=-19

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Answers (2)
  1. 15 August, 18:16
    0
    I think it is c but if not im sorry
  2. 15 August, 19:29
    0
    Just took the test. The answer is definitely A.
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