# How do you write the nth term rule for the sequence #1, 3, 5, 7, 9, ...#?

##### 2 Answers

Sep 11, 2016

#### Explanation:

This is clearly an arithmetic sequence because the terms differ by 2 each time.

To find the nth term rule we need:

a value for the * first term , a * .

and a value for the common difference d

These values are then plugged into the formula:

Sep 11, 2016

#### Explanation:

This is the sequence of the odd positive integers where the