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Test 2 W11 - MATH 110 All Sections Exam 2 Winter 2011 Feb...

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MATH 110 - All Sections - Exam 2 - Winter 2011 - Feb. 3-9 No books, notes, or calculators allowed. Do NOT write on this exam. There is no time limit. 1. Which polynomial has the following graph? (a) f ( x ) = 1 + ( x - 2) 2 (b) f ( x ) = ( x + 2) 2 + 1 (c) f ( x ) = - 1 + ( x + 2) 2 (d) f ( x ) = - ( x + 2) 2 - 1 (e) f ( x ) = x 2 + 1 (f) f ( x ) = 1 - x 2 2. The graph of the polynomial f ( x ) = ( x + 3) 5 ( x - 1) 2 : (a) crosses the x -axis at -3, crosses x -axis at 1. (b) crosses the x -axis at -3, touches x -axis at 1. (c) touches the x -axis at -3, touches x -axis at 1. (d) crosses the x -axis at 3, crosses x -axis at 1. (e) touches the x -axis at -3, crosses x -axis at 1. (f) touches the x -axis at 3, crosses x -axis at -1. 3. What is the domain of the function f ( x ) = ( x +10) 3 ( x - 2) ( x +5) 2 ( x +10) ?
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