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Unformatted text preview: mao (tm23477) – Hw 11 – gualdani – (57180) 1 This printout should have 15 questions. Multiplechoice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Find the positive number such that the sum of 3 times this number and 8 times its reciprocal is as small as possible. 002 10.0 points Find the height of the largest rectangle that can be inscribed in the region bounded by the xaxis and the graph of y = radicalbig 49 x 2 . Answer in units of units. 003 10.0 points A farmer wishes to erect a fence enclosing a rectangular area adjacent to a barn which is 16 feet long. His plan Fenced area 16 ft Barn for the fenced area indicates the fencing in bold black lines; it shows also that the barn will be used as part of the fencing on one side. Find the largest area, A max , that can be enclosed if 96 feet of fencing material is available. 1. A max = 780 sq. ft. 2. A max = 776 sq. ft. 3. A max = 782 sq. ft. 4. A max = 778 sq. ft. 5. A max = 784 sq. ft. 004 10.0 points If P ( x, y ) is a point on the line 3 x + y = 4 as shown in P ( x, y ) 4 4 3 (not drawn to scale), find the value of x when P is closest to the origin....
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This note was uploaded on 05/12/2010 for the course 408K 408K taught by Professor Guldani during the Spring '10 term at University of Texas.
 Spring '10
 Guldani

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