Ef03 - MAC 2311 August 7 2003 Final Exam Prof S Hudson Name Show all your work and reasoning for maximum credit Do not use a calculator book or any

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Unformatted text preview: MAC 2311 August 7, 2003 Final Exam Prof. S. Hudson Name Show all your work and reasoning for maximum credit. Do not use a calculator, book, or any personal paper. You may ask about any ambiguous questions or for extra paper. Hand in any extra paper you use along with your exam. 1) (10 pts) Find and classify the critical points (as relative max or min or neither). Follow the directions (do not rely on a graph) and show your work. a) f ( x ) = xe- x , using the first deriv test. b) f ( x ) = cos( x ) on (- π/ 2 , 3 π/ 2), using the second deriv test. 2) (10pts) Find all points on the curve where the tangent line is horizontal. Given: x = sin( t ) y = sin(2 t ) 1 3) (10pts) Choose ONE proof: A) Prove that if f ( x ) = 0 on ( a, b ), then f is constant there. (Use the MV Thm). B) Calculate the derivative D x tan- 1 ( x ) carefully, and simplify it, with a full explanation. [Use the formula for D x f- 1 and the triangle, as done in class)....
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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.

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Ef03 - MAC 2311 August 7 2003 Final Exam Prof S Hudson Name Show all your work and reasoning for maximum credit Do not use a calculator book or any

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