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Unformatted text preview: a) How many milligrams will be present after 2 hours? (round answer to 1 decimal) b) When the number of milligrams reaches 1, the drug needs to be administered again. When (after how many hours) will the drug need to be administered? (round answer to 2 decimals) 11) The population of Collin County, which follows the exponential growth model, increased from 264,000 in 1990 to 490,000 in 2000. a) Find the exponential growth rate, k. (do not round kuse ALL decimals on the calculator) b) Write the exponential growth function. ______________________t A(t) = _________________ e (continued on the next page) c) What will the population be in 2012? (round your answer to the nearest whole number) d) When (in which year ) will the population be 640,000?...
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 Spring '12
 LisaJuliano
 Exponential Function, Logarithmic Equations, Equations, Exponential Functions, Logarithmic Functions, Ryan, Exponentiation, exponential growth model, exact answers, exponential growth rate

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