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steposvetlana [31]
3 years ago
13

A careful analysis of the cost of operating an automobile was conducted by a firm. The following model was​ developed: Modifying

Above y with caretequals​4,000plus0.20x​, where ModifyingAbove y with caret is the annual cost and x is the miles driven. ​a) If the car is driven​ 15,000 miles this​ year, the forecasted cost of operating this automobileequals nothing ​(enter your response as a whole​ number). ​b) If the car is driven​ 25,000 miles this​ year, the forecasted cost of operating this automobileequals nothing ​(enter your response as a whole​ number).
Business
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

a. 7,000

b. 9,000

Explanation:

The model developed is correctly stated as follows:

y = 4,000 + 0.2x .................................... (1)

​a) If the car is driven​ 15,000 miles this​ year, the forecasted cost of operating this automobile ls ​(enter your response as a whole​ number)

When x = 15,000, we substitute this into equation (1) and calculate y as follows:

y = 4,000 + 0.2(15,000) = 4,000 + 3,000 = 7,000

Therefore, the forecasted cost of operating this automobile ls $7,000 when the car is driven​ 15,000 miles this​ year.

​b) If the car is driven​ 25,000 miles this​ year, the forecasted cost of operating this automobile is ​(enter your response as a whole​ number).

When x = 15,000, we substitute this into equation (1) and calculate y as follows:

y = 4,000 + 0.2(25,000) = 4,000 + 5,000 = 9,000

Therefore, the forecasted cost of operating this automobile ls $9,000 when the car is driven​ 25,000 miles this​ year.

Comparing the answers obtained in (a) and (b) above, we can see that the higher the number of miles the car is driven, the higher is the operating cost. This implies that there is a positive relationship between the number of miles the car is driven and its operating cost.

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