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Which formula describes the following geometric sequence? Remember that n represents the term number. 2, 6, 18, 54, ... an = 2 · 3n - 1 an = 3 · 2n - 1 an = 2 + 3(n - 1) an = 3 + 2(n - 1)
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23 votes
23 votes
Which formula describes the following geometric sequence? Remember that n represents the term number.

2, 6, 18, 54, ...


an = 2 · 3n - 1
an = 3 · 2n - 1
an = 2 + 3(n - 1)
an = 3 + 2(n - 1)

User Alexander Beninski
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2 Answers

15 votes
15 votes
the answer to this is..

an = 2 • 3n - 1
User Montserrat
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2.6k points
9 votes
9 votes

The answer to your question is an=2.3n - 1

User Petr Havlik
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