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MATH 149 -
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Math 149 – 01 – 03 Take Home QUIZ 2 Name:(circle your section)Dr. P. D. McCray Due 2 February 2011 Page 1 of 2EXACT answers only: NO numerical approximations!1. Suppose that x and y are differentiable functions of t and that y cosÂy1 C xÃD sin .xy/ for all t.(a) (20 points) Finddydx.(b) (20 points) Finddydtin terms of x, y; anddxdt.(c) (10 points) Finddydtwhen x D12, y D2, anddxdtD 3 .Math 149 – 01 – 03 Take Home QUIZ 2 Name:(circle your section)Dr. P. D. McCray Due 2 February 2011 Page 2 of 22. A Ferris wheel with a radius of 10 meters is rotating at a rate of one revolution every 2 minutes. How fastis a rider rising when his seat is 16 meters above ground level? (Section 3.8, Exercise 40, page
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