document.write( "Question 1129528: {{f Town B?
\n" ); document.write( "C)The population of Town C triples every 6 years. What is the annual percent change in the population of Town C?
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Algebra.Com's Answer #746095 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "he populations of Towns A, B, and C vary exponentially with respect to time.
\n" ); document.write( "The population of Town A increases by 19% every 13 years.
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\n" ); document.write( "\n" ); document.write( "\"y=ab%5Ex\"\r
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\n" ); document.write( "\n" ); document.write( "if a = 1,
\n" ); document.write( "y=1.19 after 13 years.\r
\n" ); document.write( "\n" ); document.write( "\"1.19=b%5E13\"\r
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\n" ); document.write( "\n" ); document.write( "\"13%2Alog%28%28b%29%29=log%28%281.19%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28%28b%29%29=0.005811\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=1.01347\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28y=a%281.01347%29%5Ex%29\"\r
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\n" ); document.write( "\n" ); document.write( "To answer the first question, for each one unit change of x, there is increase by 1.35% in y.\r
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