Challenge 7-solutions - to (aqt73) Challenge 7 seckin...

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Unformatted text preview: to (aqt73) Challenge 7 seckin (54330) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Find the function f g given f ( x ) = sin x , g ( x ) = 9 x . 1. ( f g )( x ) = sin(sin x ) 2. ( f g )( x ) = sin 9 sin ( x ) 3. ( f g )( x ) = 9 sin x 4. ( f g )( x ) = sin ( 9 x ) correct 5. ( f g )( x ) = 9 radicalBig 9 x Explanation: 002 10.0 points If 1 2 3 1 2 3 1 1 2 3 is the graph of y = a + b sin mx, ( m > 0) , on [ 4 , 4], what is the value of a ? What is the value of b ? 1. b = 7 4 2. b = 5 2 correct 3. b = 1 4. b = 1 5. b = 5 2 6. b = 7 4 Explanation: As 1 2 3 1 2 3 1 1 2 3 shows, the given graph is that of y = 1 5 2 sin 1 2 x, in other words, the graph of y = 5 2 sin 1 2 x shifted vertically by a term y = 1 and then flipped over the line...
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This note was uploaded on 06/14/2011 for the course MATH 305G taught by Professor Cathy during the Spring '11 term at University of Texas at Austin.

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Challenge 7-solutions - to (aqt73) Challenge 7 seckin...

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