Find the first term and the common ratio of the geometric sequence.an = 8n-1
A. a1 = 8, r = -8
B. a1 = 1, r = 8
C. a1 = -1, r = 
D. a1 = 0, r = 8n-1
Answer: B
Mathematics
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A. y - (-1 + 2
) = - 
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