161E2-F2008 - MA 16100 Exam II Fall 2008 1. The graph of y...

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Unformatted text preview: MA 16100 Exam II Fall 2008 1. The graph of y = f ( x ) is shown below. x y-2 -1 1 2 1 Which of the following could be the graph of y = f ( x )? x y-1 1 1-1 A. x y-1 1 1-1 B. x y-1 1 1-1 C. x y-1 1 1-1 D. x y-1 1 1-1 E. 2. Let f ( x ) = x, x - 1 x + 1 ,- 1 < x x 2 + 1 , < x 1 2 x, 1 < x Find the points at which f is NOT differentiable. A. x = 0 , x = 1, and x =- 1 B. x = 0 and x = 1 C. x = 0 and x =- 1 D. x = 1 and x =- 1 E. x = 0 1 MA 16100 Exam II Fall 2008 3. At time 0 a ball is thrown directly upward from a platform 10m tall. Its height above the ground after t seconds is s =- 5 t 2 + 5 t + 10, where s is in meters. The ball hits the ground after 2 seconds. What is its velocity at impact? A. 0 B.- 5 m/s C.- 10 m/s D.- 15 m/s E.- 20 m/s 4. At which point(s) does the curve y = x 3- 6 x 2 + 12 x + 7 have a horizontal tangent? A. x = 0 and x = 1 B. x = 1 and x = 2 C. x = 0 and x = 2 D. x = 1 E. x = 2 2 MA 16100 Exam II Fall 2008 5. If f ( x...
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This note was uploaded on 11/13/2010 for the course MA 161 taught by Professor Gabriel during the Fall '08 term at Purdue University-West Lafayette.

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161E2-F2008 - MA 16100 Exam II Fall 2008 1. The graph of y...

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