Solve the problem.When a tow truck is called, the cost of the service is given by the linear function 
, where y is in dollars and x is the number of miles the car is towed. Find and interpret the slope of the linear equation.
A. m = 65; The cost of the service increases at a rate of $65 per mile the car is towed.
B. m = 65; The number of miles the car is towed increases at a rate of 65 miles per dollar spent on the service.
C. m = 3; The cost of the service increases at a rate of $3 per mile the car is towed.
D. m = 3; The number of miles the car is towed increases at a rate of 3 miles per dollar spent on the service.
Answer: C
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