A parking garage charges $2.50 for a parking up to 1 hour and $1.25 for each additional hour. If a car is parked for h hours, what is the parking charge? HOw much would it cost to park 6 hours? Use the equation c = $2.50 + $1.25 (h-1) to make a table for 2, 3, 4, 5, and 6 hours.