exam1[1].6Key - Math 116 Exam 1 February 9th 2009 Name...

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Math 116 Exam 1 February 9 th , 2009 Name: Instructor: Section: . 1. Do not open this exam until you are told to do so . 2. This exam has 9 pages including this cover. There are 6 problems. Note that the problems are not of equal difficulty, and it may be to your advantage to skip over and come back to a problem on which you are stuck. 3. Do not separate the pages of this exam. If they do become separated, write your name on every page and point this out to your instructor when you hand in the exam. 4. Please read the instructions for each individual problem carefully. One of the skills being tested on this exam is your ability to interpret mathematical questions, so instructors will not answer questions about exam problems during the exam. 5. Show an appropriate amount of work (including appropriate explanation) for each problem, so that graders can see not only your answer but how you obtained it. Include units in your answer where that is appropriate. 6. One of the skills being tested on this exam is your ability to know when you must make an estimation vs. an exact calculation. Some problems will require estimations. Others will have exact answers. Methods that yield exact answers are will be given more credit than an estimation, if an exact answer is available. 7. You may use any calculator except a TI-92 (or other calculator with a full alphanumeric keypad). However, you must show work for any calculation we have learned how to do in this course . 8. You are allowed two sides of a 3” x 5” note card. 9. If you use graphs or tables to find an answer, be sure to include an explanation and sketch of the graph, and to write out the entries of the table that you use. 10. Turn off all cell phones and pagers, and remove all headphones . Problem Points Score 1 85 2 30 3 35 4 40 5 40 6 20 Total 250
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Math 116, Exam 1, February 9 th , 2009 page 2 of 9 1. (85 points) Modeling the amount of water in a container. Consider 3 containers, in which water flows into or out of each container at a different rate. Your job is to determine how much water is in each container at the end of 75 seconds. a.
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This note was uploaded on 02/24/2009 for the course MATH 115 taught by Professor Blakelock during the Fall '08 term at University of Michigan.

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exam1[1].6Key - Math 116 Exam 1 February 9th 2009 Name...

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