The critical points are: x=3/2 (because f'(x) = 0 <=> 4x-6=0 <=> x=3/2).
x=0 (because f'(0) is undefined).
Therefore: f is increasing on (- infinity, 0) U (3/2, + infinity) since f'(x) > 0 there.
f is decreasing on (0, 3/2) since f'(x) < 0 there.
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Math 121
Exam I
Lowman
Spring 2008
In all problems you must show your work. In all problems your answers must be clearly labeled. If the grader has to guess which answer goes with which part of the problem then you will not receive credit. If the grader h
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MATH 121
Exam 1
09/29/06
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NAME: TA: December 9, 1999
Give complete explanations, not just answers, for full credit. Sketch any calculator graph you use including the axes with a scale. Give exact answers whenever possible; otherwise give answers acc
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Directions
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