Example 1 Kathy is a repair technician for a phone company Each week she receives a batch of phones that need to be repaired The number of phones that she has left to fix at the end of each day can be estimated with the equation P 108 23d where P is the number of phones left and d is the number of days she has worked this week Q1 Define your variables below in your own words if possible P d Q2 Complete a table for this equation P 0 2 63 0 Q3 What patterns do you see in the table above Q4 How many cell phones will Kathy have left to repair after 3 days 05 How many days will it take Kathy to repair all of the cell phones