Question

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?

Answer 1

Answer:

5

Step-by-step explanation:

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