document.write( "Question 1155852: A car is sold for $20,000. After one year, the value of the car is $13,000. Write an exponential function y to determine the value of the car after x years if the rate of decrease is the same each year. \r
\n" ); document.write( "\n" ); document.write( "y=20000(1-0.65)^x was my best guess, but that seems to be wrong.
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Algebra.Com's Answer #778537 by ikleyn(52795)\"\" \"About 
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document.write( "y = \"20000%2A%2813000%2F20000%29%5Ex\", which is the same as\r\n" );
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document.write( "y = \"20000%2A%2813%2F20%29%5Ex\" = \"2000%2A0.65%5Ex\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r
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