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Unformatted text preview: MAC 2311 PM April 3, 2009 Exam III and Key Prof. S. Hudson 1) [20 pts] Ch 4.13, Compute the derivative, y y = log 2 (3 x 4 ) Use the f 1 theorem to compute y when y = sin 1( x ), and simplify. 2) [10 pts] Find the dimensions of the cylinder with maximal volume that can be inscribed in a cone with radius 6 and height 10. You may need to use similar triangles at some point (or maybe the y = mx + b formula instead). 3) [10pts] Find the relative extrema of f ( x ) = x 3 ( x + 1) 2 and classify (as max/min). 4) [10 pts] Give an example of each. For maximal credit, give formulas (or, pictures are OK for partial credit). a) A function with an absolute max which is not a relative max. b) A function with a critical point which is not a stationary point. 5) [20 pts] Compute the limits using L’Hopital’s Rule. a) lim x → π sin( x ) x π = b) lim x →∞ (1 + 3 /x ) x = 6) [20 pts] Answer True or False. You do not have to explain. Do not make unstated assumptions (that f is positive, continuous, etc).is positive, continuous, etc)....
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This note was uploaded on 05/28/2011 for the course MAC 2311 taught by Professor Staff during the Spring '08 term at FIU.
 Spring '08
 STAFF
 Calculus, Derivative

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