Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.7th term is 40; 13th term is 88
A. a1 = -16, d = 8, an = an-1 - 8
B. a1 = -8, d = 8, an = an-1 - 8
C. a1 = -16, d = 8, an = an-1 + 8
D. a1 = -8, d = 8, an = an-1 + 8
Answer: D
Mathematics
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