Automobile Costs The data in the table show the variable costs for operating an
Chapter 1, Problem 11(choose chapter or problem)
Automobile Costs The data in the table show the variable costs for operating an automobile in the United States for several recent years. The functions and represent the costs in cents per mile for gas and oil, maintenance, and tires, respectively. (Source: American Automobile Manufacturers Association) (a) Use the regression capabilities of a graphing utility to find a cubic model for and linear models for and (b) Use a graphing utility to graph and in the same viewing window. Use the model to estimate the total variable cost per mile in year 12.
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