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Unformatted text preview: Homework # 6 Due: Never 1 New Material 1. Use the guidelines of this section to sketch the curve. (a) f ( x ) = 20 x 3- 3 x 4 (b) f ( x ) = x 2 x 2- 9 (c) f ( x ) = sin x 2. If 1200 cm 2 is available to make a box with a square base and an open top, find the largest possible volume of the box. (Hint: Youll need to consider the area of each side. But remember which sides you have and which you dont.) 3. A fence 8 ft tall runs parallel to a tall building at a distance of 4 ft from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building? (Hint: Youre going to need to use similar triangles for this). 2 Review Material This section has problems that might be like the ones on the exam. They wont be exactly like this, and its possible that not all the material here will be covered on the exam. Basically, if its on here then its fair game for the exam. If its not on here, then still learn it, but dontits on here then its fair game for the exam....
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This note was uploaded on 02/29/2008 for the course MAT 141 taught by Professor Varies during the Spring '08 term at Lehigh University .
- Spring '08