A clothing store discounts items on a regular schedule. Each week, the price of an item is reduced. The prices for one item are in the table below. Week 0 is the starting price of the item.
Determine a linear or exponential equation that represents the relationship between the week and the price of the item.

Create a graph of the data.

Determine if a linear or exponential equation could represent the data.

Find the common ratio between the terms.

Use the value of the equation at = 0 and the common ratio to write an equation to represent the relationship.