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Unformatted text preview: by R ( t ) = 20000 ( . 86 ) t What is the rate of depreciation (in dollars per year) after 1 year? 3 years? Example 5: A mathematical model for the average of a group of people learning to type is given by N ( t ) = 10 + 9ln t , t ≥ 1 where N ( t ) is the number of words per minute typed after t hours of instruction and practice. a) What is the rate of learning after 1 hour of instruction and practice? b) What is the rate of learning after 10 hours of instruction and practice? Section 4.2 Homework Problems: 1,5,9,13,17,21,27,29,31,35,39,43,45 4...
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 Fall '08
 Drost
 Derivative, Logarithmic Functions, 1 Hour, 3 years, 10 hours, Kendra Kilmer

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