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Find the common ratio and explicit formula for 2, 3, 4.5, 6.75,

2 Answers

1 vote

Answer: B

Explanation:

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User Mike Demidov
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7 votes

Explanation:

r=3/2=(4.5)/3=3/2

it is geometric, so we will use this equation:

a(n)=a1*(r)^(n-1)

and we have a(1)=2 , r=3/2

So explicit formula:

a(n)=2*(3/2)^(n-1)

hope this helps