Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = -2; d = 3an = ?; a7 = ?

A. an = -5 + 3n; a7 = 16
B. an = -5 - 3n; a7 = 16
C. an = -2 + 3n; a7 = 16
D. an = -5 + 3n; a7 = 40


Answer: A

Mathematics

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