on vacation, your family decides to rent a car. The total cost involves the one time rental fee of $56.34 and $0.49 per mile
Which expression represents the total rental cost in terms of the rental fee and the cost per mile
A. 56.34 +.49x
B.56.34 - .49x
C. -56.34 - .49x
D. 56.34x + .49