# Precalculus Examples

, , , ,

Step 1

This is an arithmetic sequence since there is a common difference between each term. In this case, adding to the previous term in the sequence gives the next term. In other words, .

Arithmetic Sequence:

Step 2

This is the formula of an arithmetic sequence.

Step 3

Substitute in the values of and .

Step 4

Add and .

Step 5

Apply the distributive property.

Step 6

Multiply by .