# Q6A - Math 3B Castroconde Quiz 6A(9.1-9.4 Start your work...

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Math 3B - Castroconde Quiz 6A (9.1-9.4) Name: t: O-'-t. I.D.#: G Start your work after the last question. Use the back of the page and add more paper, if needed. 1. Find the length of the curve y = 1 + 6x X , 0::; x ::; I. 2. Find the area of the surface obtained by rotating y = .J 4 - X2 , -1::; x ::; 1, about the x-axis. 3. Find the coordinates of the center of mass of the region bounded by y = e", y = 0, x = 0, x = 1. The marginal revenue from the sale of x units of a product is 12 - O.0004x. If the revenue from the sale of the first 1000 units is \$12,400, find the revenue from the

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Unformatted text preview: from the sale of the first 5000 units. \ 312 _: \10 ~\.'i)-=-q'X~/z.-"I L ~ J' +<{IX \ J-x = ;\ (It-~\)() . : 4. o L z:-\ o Q..-\ \ 'J. ::: -O:> \ , ~---Q. - \-o e.. - \ £-;~) r-) R ()(') = l2 - 0 cOO 0 L\ x 2-\'2. 't.-tOOO 2. y, ;-c. p. (lOOO) = \2 aDO -200 t-c:.::: \2 '-loa ~ C = ",00 _) «()() ~ \2')( _ Ot ooD 2 X2 + GoO ~ (5"0 00 J ::: 5 5 G D--C\. ..... ",--J "-II'-u e, ~ ~ fl.-'\$ "- \. ... c» C SO 0 \ S \$ S-S J 6 " Q....
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• Spring '09
• Castroconde
• Math, The Sale, The Last Question, Castroconde Quiz 6A

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