Test 2 W11

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

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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) ? (a) The domain is all real numbers (b) The domain is { x | x ± =2 , - 10 } (c) The domain is { x | x ± = - 5 , - 10 } (d) The domain is { x | x ± = - 5 } (e) The domain is { x | x ± =2 , - 10 , - 5 } (f) The domain is { x | x ± = - 2 , - 5 }
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4. Which polynomial function might have the graph below? (a) p ( x )=( x + 1) 2 ( x + 3)( x - 10) 3 (b) p ( x ) = 4( x - 1) 2 ( x + 2)( x - 10) 2 (c) p ( x ) = 3( x + 1)( x - 3) 3 ( x
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This note was uploaded on 11/29/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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

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