Math 2 - roberts (eer474) HW 11 windle (56747) 1 This...

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Unformatted text preview: roberts (eer474) HW 11 windle (56747) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points Use the graphs of f and g to evaluate the functions. y 1 2 3 4 1 2 3 4 x y = f ( x ) y 1 2 3 4 1 2 3 4 x y = g ( x ) a) ( f- g )(1). Correct answer:- 1. Explanation: ( f- g )(1) = f (1)- g (1) = 2- 3 =- 1 002 (part 2 of 2) 10.0 points b) ( fg )(4). Correct answer: 0. Explanation: ( fg )(4) = f (4) g (4) = 4 = 0 003 10.0 points Simplify as much as possible the expression for the function h = 2 f- g when f ( x ) = x 2 + 3 x + 2 , g ( x ) = x 2- x- 2 . 1. h ( x ) = 3 x 2 + 7 x + 2 2. h ( x ) = x 2 + 7 x + 2 3. h ( x ) = 3 x 2 + 5 x + 2 4. h ( x ) = x 2 + 5 x + 6 5. h ( x ) = x 2 + 7 x + 6 correct 6. h ( x ) = 3 x 2 + 5 x + 6 Explanation: The sum h = 2 f- g of functions f and g is given by h ( x ) = 2 f ( x )- g ( x ) = 2( x 2 + 3 x + 2)- ( x 2- x- 2) ....
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This note was uploaded on 11/08/2010 for the course M 305G taught by Professor Léger during the Fall '08 term at University of Texas at Austin.

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Math 2 - roberts (eer474) HW 11 windle (56747) 1 This...

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