MTH132-Quiz2-Solutions (2)

# MTH132-Quiz2-Solutions (2) - Page 1 10/18/2011 Name (Print...

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Page 1 10/18/2011 Name (Print Clearly): Student Number: Sept 26, 2008 Instructor: Dr. W. Wu Instructions: Answer the following questions in the space provided. There is more than adequate space provided to answer each question. The total time allowed for this quiz is 15 minutes. 1 [2 pts each] . Find the following derivatives (a) ) ( 2 x dx d . 2 x = (b) ) sin 3 ( x dx d . cos 3 x = (c) ) sin 3 ( 2 x x dx d use product rule ( f = 3sinx , g =x^2) x x x x 2 sin 3 cos 3 2 + = (d) ) sin 3 ( 2 x x dx d use quotient rule ( f = 3sinx , g =x^2) 4 2 2 sin 3 cos 3 x x x x x - = (e) ) (cos 999 999 x dx d Recall x dx d x dx d k k k n k n cos cos 4 4 = + + [Ex 3.4 Page 189 #49] 3 249 4 999 + × = , so 3 = k x x x x x dx d x dx d sin ) cos ( ) sin ( cos ) (cos ) (cos 3 3 999 999 = - = - = = =

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Page 2 10/18/2011 2 [4 pts each] . If x x x f 9 ) ( + = , find an equation for the tangent line when . 3 - = x [Page 156 #13] (a) Find the derivative of
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## This note was uploaded on 10/17/2011 for the course MTH 133 taught by Professor Staff during the Fall '08 term at Michigan State University.

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MTH132-Quiz2-Solutions (2) - Page 1 10/18/2011 Name (Print...

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