A parking garage charges $5 for the first hour of parking and $1.75 for each additional hour.If y represents the total cost and x represents the total number of hours parked in the garage, which function rule describes this pattern?
A y=1.75x+5
B y=1.75(x+1)-5
C y=1.75(x+1)+5
D y=1.75(x-1)+5