Test 2 F10

Test 2 F10 - MATH 110 - Exam 2 - Fall 2010 - All Sections...

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MATH 110 - Exam 2 - Fall 2010 - All Sections No books, notes, or calculators allowed. Do NOT write on this exam. There is no time limit. 1. Which of the following functions could have the graph shown below? (a) f ( x ) = ( x + 3) 4 +4 (b) f ( x )= - ( x + 3) 4 +4 (c) f ( x ) = ( x + 4) 4 - 3 (d) f ( x )= - ( x + 4) 3 - 3 (e) f ( x ) = ( x - 3) 3 +4 (f) f ( x )= - ( x - 3) 3 +4 2. List the x -intercepts of p ( x )= - 4( x + 2) 2 ( x - 3) 3 , and tell whether the graph of p ( x ) crosses or touches the x -axis at each point. (a) 2 touches; -3 crosses (b) 2 crosses; -3 touches (c) 4,2 touches; 3 crosses (d) -2 touches; 3 crosses (e) -2 crosses; 3 touches (f) 4, -2 crosses; 3 touches 3. Which of the following polynomial functions could have the graph below? (a) p ( x )=( x + 1)( x - 3) 2 (b) p ( x )=( x + 1) 2 ( x - 3)( x - 1) (c) p ( x )=( x + 1) 2 ( x + 3)( x - 1) 2 (d) p ( x )= - ( x + 1)( x - 3) 2 ( x - 1) (e) p ( x )= - ( x + 1) 2 ( x + 3) 2 ( x - 1) 2 (f) p ( x )= - ( x + 1)( x + 3) 3 ( x - 1) 3
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4. Which graph below could be the graph of the function f ( x )= 3 x - 1 + 2? (a) (c) (b) (d) 5. What is the domain of the function f ( x )= (2 x +3) 2 ( x - 3)( x +2) ? (a) The domain is all real numbers (b) The domain is { x | x ± = - 3 2 } (c) The domain is { x | x ± = - 3 , 2 } (d) The domain is { x | x
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This note was uploaded on 10/24/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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Test 2 F10 - MATH 110 - Exam 2 - Fall 2010 - All Sections...

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