Suppose That a Car Rental Agency Charges a Fixed Amount

Suppose that a car rental agency charges a fixed amount per day plus an amount per mile for renting a car. Heidi rented a car one day and paid $100.00 for 300 miles. On another day she rented a car from the same agency and paid $150.00 for 550 miles. Determine the linear function that the agency could use to determine its daily rental charges.

A) f ( x ) = 0.4 x - 40
B) f ( x ) = 0.4 x + 40
C) f ( x ) = -0.2 x + 40
D) f ( x ) = 0.2 x - 40
E) f ( x ) = 0.2 x + 40

Correct Answer:

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