Jaren is the manager of a department store. The morning of a big holiday sale, when Jaren opened the door, 12 customers were waiting outside to come into the store.
Each hour the store is open, another 13 customers enter the store, and 8 customers leave the store. Use this information to complete the table below.
Hours Open Number of Customers
In the Store
0 12
1 17
2 22
3
4
The x-values represent the number of hours the store is open. The y-values represent the number of customers in the store.
The equation which represents the number of customers in the store is y =
x +
.