3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics

1 answer:

____ [38]3 years ago

6 0

Answer: $\bold{(D)\ a_n=7n+10}$

<u>Step-by-step explanation:</u>

The recursive rule for an arithmetic sequence is: $a_n=a_{n-1}+d$

So, we know that d = 7. It is given that $a_1=17$

The explicit rule for an arithmetic sequence is: $a_n=a_1+d(n-1)$

$a_n=17+7(n-1)\\\\.\quad=17+7n-7\\\\.\quad=7n+10$

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