Minimum Cost A rectangular area adjacent to a river is to
Chapter 5, Problem 51(choose chapter or problem)
Minimum Cost A rectangular area adjacent to a river is to be fenced in; no fence is needed on the river side. The enclosed area is to be 1000 square feet. Fencing for the side parallel to the river is $5 per linear foot, and fencing for the other two sides is $8 per linear foot; the four corner posts are $25 apiece. Let x be the length of one of the sides perpendicular to the river. (a) Write a function that describes the cost of the project. (b) What is the domain of C? (c) Use a graphing utility to graph . (d) Find the dimensions of the cheapest enclosure. Source: www.uncwil.edu/courses/math111hb/PandR/rational/ rational.html
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