# How do you write the first five terms of the arithmetic sequence given #a_1=15, a_(k+1)=a_k+4# and find the common difference and write the nth term of the sequence as a function of n?

##### 1 Answer

Dec 30, 2017

#### Explanation:

Given:

Arithmetic sequence has the form:

where

Let

Let

Let

Let

First five terms of the arithmetic sequence:

common difference: