IIT
MATH 149 -
Math 149 QUIZ 3
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Math 149 001 002 Dr P D McCray 1 10 points each a I x 7 February2007 Find the critical numbers of the functions 2x3 15x2 36x 2 f Name QUIZ 3 1 J f I f Page 1 of2 k f f c 2 Xl T 1 7 7 30 2 3 2 t4 7 2 f S f X 1 36 J0 3 r tttLP r Math 149 001 002 Name QUIZ 3 Dr P D McCray 7 February2007 V 3 10 points each Consider the function J x 2x3 15x2 36x 2 from problem 1 F I rX 2 X 3 2 OXy 3 a Where i f x increasing PC f rx o b WhereisJ x decreasing f c 0 tJl0 0 h 3 lZ 4 000 v 3OO I 3 3 c 1 3 Page 2 of2
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