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mollyann
Group Title
Write the recursive formula for the geometric sequence.
a1 = 2 a2 = 8 a3 = 32
A. an = 4 + an1
B. an = 2 + an1
C. an = 2 • an1
D. an = 4 • an1
 one year ago
 one year ago
mollyann Group Title
Write the recursive formula for the geometric sequence. a1 = 2 a2 = 8 a3 = 32 A. an = 4 + an1 B. an = 2 + an1 C. an = 2 • an1 D. an = 4 • an1
 one year ago
 one year ago

This Question is Closed

mdoublep Group TitleBest ResponseYou've already chosen the best response.0
To start, you know that it must be geometric, meaning that the answer can't be A or B. Second, a3/a2 = a2/a1 = 4. Since the ratio between one to the next is 4, you know it can't be C, so the answer is D D.
 one year ago
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