Question

B) Here are the first four terms of another sequence.

7
11 15 19
Write an expression for the nth term of this sequence.

Answer 1

Tn = 4n+3

Explanation:

It is an Arithmetic Sequence

a=7

d=11-7 =4

Tn= a+(n-1)d

= 7+(n-1)4

= 7+4n-4

= 4n+3