A Study of Driving Costs of 1992 Model Subcompact (Four-Cylinder)

question 154

Multiple Choice

A study of driving costs of 1992 model subcompact (four-cylinder) cars found that the average cost (car payments, gas, insurance, upkeep, and depreciation) , measured in cents/mile, is approximated by the function ​ ​
Where x denotes the number of miles (in thousands) the car is driven in a year. What happens to the average cost as the number of miles driven increases without bound?
​

• A) It approaches 2,640 ¢/mi.
• B) It approaches 19 ¢/mi.
• C) It increases without bound.
• D) It becomes infinitely small.

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