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Bang-up Motors will rent-a-wreck for $25 plus $0.15 per mile traveled. The rental cost is a function of the miles traveled a. Identify the variables in this situation. b. What is the rate of change in this problem. c. What is the y-intercept in this problem. d. Write a function to model the situation. e. Use your function to find the cost of renting a car to travel 1200 miles. .

Respuesta :

a. The variables in the problem include the miles traveled, the cost to rent the car and the cost per mile traveled in the car. 
b. The rate of change in the problem is the amount of payment that is expected per mile traveled.
c.The y-intercept is the total cost of the miles traveled without including the deposit.
d. A straight-line function will work for this problem, where y = mx + c.
m = $0.15, c = $25 and x = total miles traveled. 
e. y = ($0.15)(1200) + $25
       = $180 + $25 
       = $205

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