Two rental car companies charge the following amount, y, based on the total number of miles driven, x.

Company A: y=2.5x+400

Company B: y=5x+100

Rental ________ charges more per mile driven. Rental _________ has a higher base rental fee. The 2.5 in the equation for Company A represents the cost ___________ by $2.50 per ________ driven. The $100 in Company B represents the _________.
A. Decrease
B.Increase
C.Hour
D.Mile
E.Base rental fee
F.Company A
G.Company B