# ASU MAT 266 - mat266_ex2_key (5 pages)

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## mat266_ex2_key

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- Pages:
- 5
- School:
- Arizona State University
- Course:
- Mat 266 - Calculus for Engineers II

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MAT 266 Test2 MAT 266 TEST 2 ANSWERS SoMSS ASU Directions 1 There are 14 questions worth a total of 60 points 2 Questions 1 10 are Multiple Choice worth 4 points each to be answered on the supplied SCANTRONS 3 Questions 11 14 are Free Responses worth 5 points each and are to be answered in the space provided on the test 4 Read all the questions carefully 5 For the Free Response you must show all work in order to receive credit 6 When possible box your answer which must be complete organized and exact unless otherwise directed 7 Always indicate how a calculator was used i e sketch graph etc 8 No calculators with QWERTY keyboards or ones like TI 89 or TI 92 that do symbolic algebra may be used Honor Statement By signing below you confirm that you have neither given nor received any unauthorized assistance on this exam This includes any use of a graphing calculator beyond those uses specifically authorized by the Mathematics Department and your instructor Furthermore you agree not to discuss this exam with anyone until the exam testing period is over In addition your calculator s program memory and menus may be checked at any time and cleared by any testing center proctor or Mathematics Department instructor Signature Date 1 MAT 266 Answer d Answer b Test2 1 Find the area of the region bounded by the curves y x2 2 x y x 4 Select the correct answer 125 125 25 a b c 20 d e None of these 3 3 6 2 Find the volume of the solid obtained by rotating the region bounded by y x 2 and x y 2 about the x axis Select the correct answer 6 5 a 3 10 b c 2 5 d 5 e None of these 3 Which of the following integrals is equal to 1 25 Select the correct answer Answer c 1 a 0 Answer c 1 dx x 0 8 1 b 0 1 1 dx x 0 3 c 0 1 dx x 0 2 1 d 0 1 dx x2 e none of these 4 A spring has a natural length of 22 cm If a force of 15 N is required to keep it stretched to a length of 32 cm how much work is required to stretch it from 22 cm to 40 cm Select the correct answer a 3 43 J b 1 93 J c 2 43 J d 3 93 J e

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