Car Rentals: The cost of renting a moving truck and driving 40 miles is $45. The cost of renting a moving truck and driving 180 miles is $80. If the cost of renting a moving truck from this company is linear. a. Construct a linear model, C(x)=mx+b, where C is the cost of renting the moving truck and x is the number of miles driven. b. In business, the y-intercept of a linear model is called the fixed cost. What is the fixed cost of renting the truck? c. What is the cost of renting the moving truck if you drive 500 miles? d. Suppose that you want the cost to be no more than $100. At most, how many