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Unformatted text preview: saliyev (is4663) Quest Assignment 18 rodin (54520) 1 This printout should have 10 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points The temperature at a point ( x, y ) in the plane is T ( x, y ) C. If a bug crawls on the plane so that its position in the plane after t minutes is given by ( x ( t ) , y ( t )) where x = 1 + t , y = 4 + 2 3 t , determine how fast the temperature is rising on the bugs path at t = 3 when T x (2 , 6) = 16 , T y (2 , 6) = 3 . 1. rate = 8 C / min 2. rate = 5 C / min 3. rate = 6 C / min 4. rate = 9 C / min 5. rate = 7 C / min 002 10.0 points The length and width w of the closed box shown in h w are increasing at a rate of 4 ft/min while its height h is decreasing at a rate of 8 ft/min. Find the rate at which the surface area of the box is increasing when = 5 , w = h = 3 feet ....
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 Fall '07
 Sadler
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