51. 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 C(x) that describes the cost of the project. (b) What is the domain of C? (c) Use a graphing utility to graph C = C(x). (d) Find the dimensions of the cheapest enclosure. Source: wwW.uncwil.educourses/math111hb/PandR/rationa/
51. 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 C(x) that describes the cost of the project. (b) What is the domain of C? (c) Use a graphing utility to graph C = C(x). (d) Find the dimensions of the cheapest enclosure. Source: wwW.uncwil.educourses/math111hb/PandR/rationa/
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter62: Volumes Of Prisms And Cylinders
Section: Chapter Questions
Problem 38A: A copper casting is in the shape of a prism with an equilateral triangle base. The length of each...
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