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Unformatted text preview: (b) When does this happen? 5. The price of a certain commodity is given by P ( t ) = 50115 t t + 10 dollars per ton, with 0 t 3 weeks. (a) What is the lowest price of the commodity? (b) What if the domain is 0 t 4 weeks? 6. The price of a certain commodity is given by P ( t ) = 50115 t t 2 + 10 dollars per ton, with t 3 weeks. (a) What is the lowest price of the commodity? (b) What if the domain is 0 t 4 weeks? 7. From the Online Textbook, Section 6.1: Problems 2, 4, 7, 10, 12, 14, 19. Hints and Answers 1. a)19 C; b) 15 min; c)10 C; b) 25 min. 2. Approximately: a) 37 critters; b) 506 days. 3. a)27.0 m; b) 2.35 s; c) 13.6 m; d) 4 s. 4. a)125 ft; b) 55 / 2 1 . 46 s. 5. a) $23.46 per ton; b) $17.14 per ton. 6. a) $31.84 per ton; b) $31.82 per ton....
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 Spring '08
 STAFF
 Math, Calculus

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