You just bought a cell phone for $14.99. 100 minutes for your phone, including tax, cost $21.99 per month. Write a linear function that models buying the phone and minutes then use that equation to determine the cost of the phone and twelve months of service.

Question

You just bought a cell phone for $14.99.  100 minutes for your phone, including tax, cost $21.99 per month.    Write a linear function that models buying the phone and minutes then use that equation to determine the cost of the phone and twelve months of service.

anonymous · Answer

14.99+21.99x = cost of phone with service. where x is the months.