Author Question: A power plant is located on a river that is 750 feet wide. To lay a new cable from the plant to a ... (Read 70 times)

fox · **on:** Dec 18, 2021

A power plant is located on a river that is 750 feet wide. To lay a new cable from the plant to a location in a city 1 mile downstream on the opposite side costs $200 per foot across the river and $100 per foot along the land. Suppose that the cable goes from the plant to a point Q on the opposite side that is x feet from the point P directly opposite the plant. Write a function C(x) that gives the cost of laying the cable in terms of the

◦ C(x) = 200

+ 100(5280 - x)
◦ C(x) = 200

+ 100(1 - x)
◦ C(x) = 200(750 - x) + 100(1 - x)
◦ C(x) = 100

+ 200(5280 - x)

fur · **Reply #1 on:** Dec 18, 2021

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