242test1key014

# 242test1key014 - Math 2 42 S uction 0 14 Tost N AME KEY Please c ircle your l ab/discussion 060 12:00 061(11:00 062 2:30 This test has 6 questions

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Unformatted text preview: Math 2 42 S uction 0 14: Tost N AME: KEY Please c ircle your l ab/discussion: 060 ( 12:00) 061 (11:00) 062 ( 2:30) This test has 6 questions on 6 pages. The points per page are 5. 5, 5, 5, 6. 6. Show your work. A correct, a nswer with l ittle or no r easoning may receive a low score. (However, t here is no need to be w ordy.) The 7th page has some f ormulas you can r efer to if needed. [5 p oints] Question 1. E valuate lim . "-" '- . o [__ r] 0 //V) — Cos X _ —1 -X [5 p oints] Question 2. Lei R he t he region h ounded hy y — l /.r, y = and ,(•• 2. F ind the area of l lie r egion It.. "X » . -x 2. + J. 2o . u [.r> points] Question 3. Lot, A be the region b ounded by y •- x4, y - 0, and :r - 1. F ind t he v olume o btained by r evolving A a round t he; l ine :r ^ 2. ( * -0 is 0 k- -o r= 'Y O r\ TT 0 2 & 5 J2. 30 30 o 7/r 30 [5 p oints] Q uestion 4. E valuate * -f 3x -^ 2L /I , = 8 -A +8 r - = -2 , B = 3 Al fl 0 o 2. - [G p oints] Q uestion 5. Fjva.lua.to 3 3 1 r 9 i SecB J I 9 S e C 3 X (•-' 6 p oints Question 6. E valuate / c" '' cos.r dr. Jo u - = -e - cos V - Sin X 2rr 2rr o o O 27T SM V 2TT O O 21 21 - 2TT 1 -2tr 2-rr o ...
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## This note was uploaded on 12/07/2011 for the course MATH 242 taught by Professor Wang during the Spring '08 term at University of Delaware.

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242test1key014 - Math 2 42 S uction 0 14 Tost N AME KEY Please c ircle your l ab/discussion 060 12:00 061(11:00 062 2:30 This test has 6 questions

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