4.
A taxi company charges passengers $1.75 for a ride, no matter how long the ride is, and an additional $0.40 for each mile traveled. The rule c= 0.40m + 1.75 describes the relationship between the number of miles m and the total cost of the ride c. What is the charge for a 2.7-mile ride?
A. $2.15
B. $2.83
C. $5.13
D. $1.08