test2 F11

test2 F11 - Math 110 All Sections Fall 2011 Exam 2...

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Math 110 All Sections Fall 2011 Exam 2 September 29 - October 5 All questions are multiple choice. There is no time limit. No notes are allowed. Please do not write on the exam. 1
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1. For the polynomial f ( x )= - 3( x 2 +1)( x - 9) 3 fnd the zeros and determine i± the graph crosses or touches the x-axis at the given zero (a) touches at -1 and 9 (b) touches at 1, crosses at 9 (c) crosses at -1 and 1, crosses at 9 (d) crosses at 9 (e) touches at -1 (±) none o± the above 2. Find the y-value o± the y -intercept o± the ±unction f ( x )= ( x +5)( x +2)( x - 3) x - 1 (a) - 5 (b) - 2 (c) 3 (d) 1 (e) 30 (±) none o± the above 3. Which o± the ±ollowing ±unctions could have the ±ollowing graph? (a) f ( x ) = 3 x ( x - 1)( x - 2) (b) f ( x ) = 3 x ( x - 1) 2 ( x - 2) (c) f ( x )= - x ( x - 1)( x - 2) (d) f ( x )= x ( x + 1)( x + 2) (e) f ( x )= - x ( x + 1)( x + 2) (±) none o± the above 2
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4. Find the vertical asymptotes of the function f ( x )= 2( x - 1) x 2 +9 x - 10 (a) x = 1 and x = - 10 (b) x = - 1 and 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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test2 F11 - Math 110 All Sections Fall 2011 Exam 2...

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