Find the common difference d and the nth term an of the arithmetic sequence with the specified terms. 5th term is 4; 12th term is -17
A. d = -3; an = -3n - 16
B. d = -13; an = -13n - 3
C. d = -13; an = -13n + 19
D. d = -3; an = -3n + 19
Answer: D
Mathematics
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