Write a general term an for the sequence. Assume that n begins with 1.1 ? 6, 2 ? 7, 3 ? 8, 4 ? 9, 5 ? 10, . . .

A. an = n(n + 5)
B. an = n(n - 5)
C. an = n + 5n
D. an = n(n + 6)


Answer: A

Mathematics

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