242test1key012

# 242test1key012 - area of tin region/x 3 L i •L J'X •X 3...

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NAME: Math 242 Section 012: Tost #1 KEY Please circle your lab/discussion: 040 (8:00) 041 (12:30) 042 (1:30) This test, has 6 questions on 6 pages. The, points per page are 5, 5. 5, . r >, G, fi. Show your work. A correct answer with little or no reasoning may recei\-e a low score, (However, there is no need to be wordy.) The 7th page has some formulas yon can refer to if needed. s i n r - r O |T> points] Question 1. Evaluate' liiu——— . ) 14 .1;—»0 ;/'•'* XS. * ' ' Cos % - I —. S>/\ O \ust~ J

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[["> points] Question 2. Lot /? be. the region bounded by y ^- l/:r, y and ,r -- 3. Find the area of tin; region /?. \/x 3 L i •L J. 'X •X' 3 u 3 V 1 O
[5 points] Question 3.

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Unformatted text preview: area of tin; region /?. \/x 3 L i •L J. 'X •X' 3 u 3 V 1 O [5 points] Question 3. Let A be the region bounded by // — .r 4 , ;y - 0, and x — 1. Find tin 1 volume obtained by revolving A around the line :/; — 3. o Shells h--X* r ^ 3-' s TT o 2TT S 30 30 IB [5 points] Question 4. Kvalnatp .A, :/: a + 4j: + 3 2. .-x-4-3 _ 1- 3 1 O 3 OR [0 points] Question 5. Evaluate 0( 16 SecO A y^-Vo 1C* X [G points] Question 6. Evaluate u-e <?v-ros T 21 = 21-t o 27T tfk = V ' e 2ir o o 2/r O O 2F e o i -e 2rr...
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