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Unformatted text preview: doan (dcd597) HW01 gilbert (54820) 1 This printout should have 20 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points Simplify the expression parenleftBig xy 3 z parenrightBig 6 parenleftBig y 2 x 1 / 4 z 3 parenrightBig 16 as much as possible, leaving no negative ex ponents and no radicals. 1. x 10 z 51 y 50 2. x 10 y 50 z 51 3. x 2 y 14 z 45 4. x 10 y 14 z 45 5. x 10 y 50 z 51 002 10.0 points Simplify the expression f ( x ) = 3 + 9 x 2 1 3 parenleftBig x x 2 4 parenrightBig as much as possible. 1. f ( x ) = 3( x + 2) 2 x 4 2. f ( x ) = 3( x 2) x 4 3. f ( x ) = x + 2 x + 4 4. f ( x ) = x 2 2 x + 4 5. f ( x ) = 3( x + 2) x 4 6. f ( x ) = x 2 x + 4 003 10.0 points Which, if any, of the following statements are true when a, b are real numbers? A. For all positive a and b , a + b = a + b . B. For all a and b , radicalBig ( a + b ) 2 = a + b . C. For all positive a and b . a b a + b = a + b . 1. A only 2. A and C only 3. all of them 4. B only 5. none of them 6. C only 7. B and C only 8. A and B only 004 10.0 points Simplify the expression f ( ) = 1 cos 2 , eliminating the radical. 1. f ( ) = 2 sin doan (dcd597) HW01 gilbert (54820) 2 2. f ( ) = 2 sin 2 4 3. f ( ) = 2  cos  4. f ( ) = 2  sin  5. f ( ) = 2 cos 2...
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This note was uploaded on 11/12/2011 for the course M 408M taught by Professor Gilbert during the Fall '07 term at University of Texas at Austin.
 Fall '07
 Gilbert
 Multivariable Calculus

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