Use the recursive formula to answer the question. a(1)=20 a(n)=a(n)-1-5 What is the 4th term in the sequence?

asked Sep 26, 2020 105k views

4 votes

Use the recursive formula to answer the question.

a(1)=20 a(n)=a(n)-1-5

What is the 4th term in the sequence?

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4 votes

Answer:

Explanation:

$\tt a_n=a_(n-1)-5\\\\ a_1=20\\a_2=a_1-5=20-5=15\\a_3=a_2-5=15-5=10\\a_4=a_3-5=10-5=5$

Swagatika answered Oct 2, 2020

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