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An arithmetic sequence has this recursive formula:
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1 vote
An arithmetic sequence has this recursive formula:

An arithmetic sequence has this recursive formula:-example-1
User Zudwa
by
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1 Answer

7 votes

Answer: choice C

Explanation:

an=a1+d*(n-1)

so

an=9+(n-1)*(-3)

you can check the answer by plugging in the numbers, for example if n=1, an=9, if n=2 an=6 which is correct.

User Akram Saouri
by
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