Total Cost of Car Rental

Very Easy Functions And Modeling Linear, Quadratic, And Exponential Models

A local car rental company charges a flat fee of $50 to rent a car plus an additional charge of $0.20 per mile driven. If you wanted to model the total cost of renting a car based on the number of miles driven, which of the following expressions correctly represents the total cost, C, as a function of miles, m?

$$C(m) = 50 + 0.20m$$

$$C(m) = 50m + 0.20$$

$$C(m) = 0.20m - 50$$

$$C(m) = 0.20 - 50m$$

Hint

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