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Unformatted text preview: Instructor: Prof. Doyoon Kim TA: Diogo Bessam Please, during (and only during) Fall 2008, report any typo/error you may nd directly to Diogo Bessam (bessam@usc.edu)
2.3.26 HW2 solutions for graded exercises, math118, 2008 y= 2x1 1x3 y (2x  1) (1  x3 )  (1  x3 ) (2x  1) (1  x3 )2 2(1  x3 )  (3x2 )(2x  1) = (1  x3 )2 = This is sucient to compute m = y (0) = 20 = 2. Also, y(0) = 1, thus the 1 equation required is y  (1) = 2(x  0) or y = 2x  1.
2.4.28 g(x) = 1+ 1 3x = 1+ 1 1/2 3x g (x) = 1 2 1+ 1 3x 1/2 1+
1/2 1 3x 1 = 2 =  1 1+ 3x 1 6x2 1+  1 3x2 1 3x 2.5.12 (a) R (q) = 240  0.1q , so, at a production level of 80 units per month, the marginal revenue is R (80) = 232 (b) R(81)  R(80)=$231.95
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This note was uploaded on 10/24/2008 for the course MATH 118x taught by Professor Vorel during the Fall '07 term at USC.
 Fall '07
 Vorel
 Math, Calculus

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