Dayton Power and Light, Inc., has a power plant on the Miami River where the river is

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Dayton Power and Light, Inc., has a power plant on the Miami River where the river is 800 ft wide. To lay a new cable from the plant to a location in the city 2 mi downstream on the opposite side costs $180 per foot across the river and $100 per foot along the land.

(a) Suppose that the cable goes from the plant to a point Q on the opposite side that is x ft 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 distance x

(b) Generate a table of values to determine if the least expensive location for point Q is less than 2000 ft or greater than 2000 ft from point P.

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Related Book For  book-img-for-question

Calculus Graphical, Numerical, Algebraic

ISBN: 9780132014083

3rd Edition

Authors: Ross L. Finney, Franklin D. Demana, Bert K. Waits, Daniel Kennedy

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