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Unformatted text preview: vu (tv2894) Homework 8 (Quest) miner (55096) 1 This printout should have 7 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points Which of the following graphs is the graph of the derivative of the function f ( x ) = sin x +3? 1. 4 8 4 8 2 4 2 4 x y 2. 4 8 4 8 2 4 2 4 x y 3. 4 8 4 8 2 4 2 4 x y correct 4. 4 8 4 8 2 4 2 4 x y 5. 4 8 4 8 2 4 2 4 x y Explanation: 4 8 4 8 2 4 2 4 x y f 4 8 4 8 2 4 2 4 x y f 002 10.0 points Determine the derivative of f when f ( x ) = x 2 sin x + 2 x cos x . 1. f ( x ) = ( x 2 + 2) cos x correct 2. f ( x ) = ( x 2 2) cos x 3. f ( x ) = ( x 2 2) sin x 4. f ( x ) = ( x 2 + 2) sin x 5. f ( x ) = ( x 2 + 2) cos x 6. f ( x ) = ( x 2 + 2) sin x Explanation: By the Product Rule, f ( x ) = 2 x sin x + x 2 cos x + 2 cos x 2 x sin x ....
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 Fall '10
 Gualdini
 Calculus

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