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Unformatted text preview: M408C Practice problems for Exam #4 Directions . Indicate the correct answer for each problem by filling in the appropriate space, as in (A) ( ) (C) (D) (E). 1) For f ( x ) as shown, estimate integraldisplay 6 f ( x ) dx using three equal subintervals with midpoints. 2 41 1 2 6 5 1 3 3 y = f(x) y x (A) 1. (B) 3. (C) 5. (D) 6. (E) 4. 2) Let f ( x ) and g ( x ) be continuous and satisfy f ( x ) g ( x ) > 0 for all x . Which of the following statements is false ? (A) integraldisplay 2 1 f ( x ) dx integraldisplay 2 1 g ( x ) dx . (B) integraldisplay 2 1 g ( x ) dx + integraldisplay 5 2 g ( x ) dx = integraldisplay 1 5 g ( x ) dx . (C) integraldisplay 4 3 g ( x ) dx integraldisplay 4 2 g ( x ) dx . (D) integraldisplay 3 f ( x ) dx < 0. (E) integraldisplay 3 f ( x ) dx > 0. 3) integraldisplay 2 ( r 2 1)(2 r + 1) dr = (A) 11 3 . (B) 2. (C) 14 3 . (D) 3 2 . (E) 13 4 ....
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This note was uploaded on 11/03/2010 for the course M 408c taught by Professor Mcadam during the Spring '06 term at University of Texas at Austin.
 Spring '06
 McAdam

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