MAT285-2007Fall

MAT285-2007Fall - M ath 2 85 Final E xam, D ecember 1 2, 2...

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Math 285 Final Exam, December 12, 2007 Name: SU ID Number: CIRCLE your section number: 002 003 004 005 006 007 009 PLEASE READ: 1. Place all your work on these sheets. Do not add any sheets to this exam. 2. You may use a TI-83, TI-84, TI-85 or a TI-86 on this exam. You may NOT use any other in calculator nor may you use another student's calculator. 3. Answers without supporting work/reasons will receive no credit. Label answers and give units when appropriate. 4. There are 10 problems (with parts) and 12 pages to this exam including this cover page and a blank page for scratch work. Be sure that you have all pages - check NOW! PLEASE DO NOT WRITE BELOW L 2. 3. 4. 5. 6. 7. 8. 9. 10. Total 1
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NAME. .......................................................... . 1. (8 points) The population of an island is increasing exponentially. In 1900, the popula- tion was 1500 people and in 1950 the population increased to 2900. (a). (3 points) Find the growth equation for the population on the island. Give k to four decimal places. (b). (3 points) Find the time for the population to triple. Give answer to the nearest tenth of a year. (c). (2 points) Find the population in the year 2007. Give answer to one decimal place. 2
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NAME ........................................................... . 2. (8 points)
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MAT285-2007Fall - M ath 2 85 Final E xam, D ecember 1 2, 2...

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