Question

What is the general term of the sequence 5, 9, 13, 17, 21?

Answer 1

1+4n

Explanation:

First term(a) = 5

common difference (d) = 9-5 = 4

General term = a+(n-1)d

= 5+ (n-1) 4

= 5+4n-4

= 1+4n