document.write( "Question 1061954: The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of
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document.write( "9.3%
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document.write( " per hour. How many hours does it take for the size of the sample to double? \n" );
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Algebra.Com's Answer #676719 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! let p be the population size, then \n" ); document.write( ": \n" ); document.write( "2p = p * e^(0.093 * t) \n" ); document.write( ": \n" ); document.write( "2 = e^(0.093 * t) \n" ); document.write( ": \n" ); document.write( "0.093 * t = ln(2) \n" ); document.write( ": \n" ); document.write( "Note use definition of logarithm \n" ); document.write( ": \n" ); document.write( "t = ln(2) / 0.093 = 7.4532 \n" ); document.write( ": \n" ); document.write( "********************************************** \n" ); document.write( "Population doubles in approximately 7.45 hours \n" ); document.write( "********************************************** \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |