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A Power Station Is on One Side of a River

Question 106

Multiple Choice

A power station is on one side of a river that is 0.5 mile wide,and a factory is 6 miles downstream on the other side of the river.It costs $14 per foot to run overland power lines and $20 per foot to run underwater power lines.Estimate the value of x that minimizes the cost.The value of A power station is on one side of a river that is 0.5 mile wide,and a factory is 6 miles downstream on the other side of the river.It costs $14 per foot to run overland power lines and $20 per foot to run underwater power lines.Estimate the value of x that minimizes the cost.The value of is the length of the overland piece of power line. ​ A) 2.56 B) 5.51 C) 3 D) 5.49 E) 0.87 is the length of the overland piece of power line. ​


A) 2.56
B) 5.51
C) 3
D) 5.49
E) 0.87

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