IDNLearn.com makes it easy to get reliable answers from experts and enthusiasts alike. Join our knowledgeable community to find the answers you need for any topic or issue.

an = -15 + 5(n – 1)
Find the 21st term of the sequence.


Sagot :

Answer:

[tex]a21 = - 15 + 5(21 - 1) \\ = - 15 + 105 - 5 \\ = 85[/tex]