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Unformatted text preview: Department of Mathematics University of Notre Dame Math 10260 – Bus. Calc. II Spring 2009 Name: Instructor: Exam I February 5, 2009 This exam is in 2 parts on 11 pages and contains 15 problems worth a total of 100 points. You have 1 hour and 15 minutes to work on it. You may use a calculator, but no books, notes, or other aid is allowed. Be sure to write your name on this title page and put your initials at the top of every page in case pages become detached. Good luck! Honor Pledge: As a member of the Notre Dame community, I will not participate in or tolerate academic dishonesty. Signature: You must record here your answers to the multiple choice problems. Place an × through your answer to each problem. 1. (a) (b) (c) (d) (e) 2. (a) (b) (c) (d) (e) 3. (a) (b) (c) (d) (e) 4. (a) (b) (c) (d) (e) 5. (a) (b) (c) (d) (e) 6. (a) (b) (c) (d) (e) 7. (a) (b) (c) (d) (e) 8. (a) (b) (c) (d) (e) 9. (a) (b) (c) (d) (e) 10. (a) (b) (c) (d) (e) MC. 11. 12. 13. 14. 15. Tot. Math 10260 Spring 2009, Exam I Initials: Multiple Choice 1. (5 pts.) Let Q denote the quantity of an item produced when x thousands of dollars are invested for its production. If Q ( x ) = 200 x 1 / 2 , and Q = 500 when x = 4, then find the quantity produced when 25 thousand of dollars are invested. (a) 1,800 (b) 1,900 (c) 1,700 (d) 2,000 (e) None of these. 2. (5 pts.) The Figure below displays the gas price in the U.S. for the recent past. Use the midpoint rule with n = 6 to estimate the average gas price for the two year period starting on 1/10/2007 and ending on 1/10/2009. (a) 3 . 01 (b) 2 . 99 (c) 2 . 11 (d) 3 . 26 (e) 3 . 05 2.50 2.98 3.05 3.20 4.10 2.25 2 Math 10260 Spring 2009, Exam I Initials: 3. (5 pts.) The marginal profit for an item is given by MP ( x ) = . 2 x + 30. Compute the total change in profit when the production level x changes from 50 to 100 units. (a) 850 (b) 650 (c) 950 (d) None of these....
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 Fall '09
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 Math, Supply And Demand, pts, Initials, Department of Mathematics University of Notre Dame Math

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