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Find the First Term, the Common Difference, and Give a Recursive

Question 18

Multiple Choice

Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.
-7th term is 29; 15th term is -27


A) a1 = 78, d = 7, an = an- 1 + 7
B) a1 = 71, d = -7, an = an- 1 - 7
C) a1 = 71, d = 7, an = an- 1 + 7
D) a1 = 78, d = -7, an = an- 1 - 7

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