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# 003-answers - f x x x =-A 1 3 2 x x-B 3 6 1 x C 3 1 2 x-D 3...

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Math 1314 Daily Poppers 003 February 9, 2009 Bubble in: Section Number; Assignment 003; Your PSID#; Test Form A 1. Simplify: 5 3 2 2 5 4 3 7 x x x x x - + - A. 3 5 4 4 x x x - - B. 3 7 5 4 3 x x x - + - C. 3 7 5 4 x x x - - D. 3 5 4 3 x x - + E. None of the above

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2. Find the derivative: 5 3 2 2 5 4 3 7 ( ) x x x x f x x - + - = A. 4 2 25 12 6 7 2 x x x x - + - B. 2 15 11 x x - C. 2 2 7 15 4 x x - + D. 2 2 7 15 4 x x - - E. None of the above
3. Find the first derivative: 2 ( ) 4 x f x x e = A. 8 x xe B. 2 4 8 x x x e xe + C. 4 ( 4) x xe x D. 3 1 4 8 x x x e xe - + E. None of the above

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4. Find the first derivative:
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Unformatted text preview: f x x x =-A. 1 3 2 x x-B. 3 6 1 x + C. 3 1 2 x-D. 3 1 6 x x + E. None of the above 5. Suppose 2 1 , 1 ( ) 1 4, 1 x x f x x x -≠ - = + = - . The function is discontinuous at x = -1 because A. ( 1) f-does not exist B. 1 lim ( ) x f x →-does not exist C. both ( 1) f-and 1 lim ( ) x f x →-exist, but they are not equal....
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