The cost, in dollars, of renting a bicycle for hours is modeled by the function . Based on the model, which of the following statements best interprets the equation ?
The cost of renting a bicycle for 4 hours is $56.
The cost of renting a bicycle for 56 hours is $4.
The bicycle travels 56 miles in 4 hours.
The bicycle rental costs $4 per hour for 56 hours.
