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Unformatted text preview: mao (tm23477) – Hw 11 – gualdani – (57180) 1 This print-out should have 15 questions. Multiple-choice 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 x-axis 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