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Unformatted text preview: an advertising campaign. a. What will sales be 6 weeks after the end of the campaign? b. How many weeks will pass before sales drop below 15,000? 7. If $1000 is invested at 12%, compounded monthly, the future value A at any time t (in years) is given by A t = 1000 101 12 ( . ) How long will it take for the amount to double? 8. If $5000 is invested at 13.5%, compounded continuously, then the future value A at any time t (in years) is given by A e t = 5000 0 135 . . a. What is the amount after 9 months? b. How long before the investment doubles?...
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 Spring '07
 Lumchuck
 Sales, advertising campaign, new advertising campaign, Analytical Methods Exponentials

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