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19-06-2020
Mathematics

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An arithmetic sequence has this recursive formula:

An arithmetic sequence has this recursive formula class=

Respuesta :

19-06-2020

Answer: choice C

Step-by-step 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.

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