document.write( "Question 1040066: The population of adamsville grew from 10K to 14K in 5 years. assuming uninhibited exponential growth, what is the expected population in an additional 3 years. Do not round until the final answer, then round to the nearest whole number.\r
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document.write( "I seem to be drawing a blank with this! \n" );
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Algebra.Com's Answer #654851 by stanbon(75887) ![]() You can put this solution on YOUR website! \n" ); document.write( "The population of adamsville grew from 10K to 14K in 5 years. assuming uninhibited exponential growth, what is the expected population in an additional 3 years. Do not round until the final answer, then round to the nearest whole number. \n" ); document.write( "---- \n" ); document.write( "Note:: f(0) = 10K ; f(5) = 14K ; f(8) = ? \n" ); document.write( "----- \n" ); document.write( "Form y = a*b^x \n" ); document.write( "Since f(0) = 10K, ab^0 = a*1 = a = 10K \n" ); document.write( "---- \n" ); document.write( "Since f(5) = ab^5, 10K*b^5 = 14K \n" ); document.write( "b^5 = 7/5 \n" ); document.write( "b = 1.0606 \n" ); document.write( "------- \n" ); document.write( "Therefore \n" ); document.write( "f(8) = 10K*1.0696^8 = 17131.87 \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |