document.write( "Question 1170838: A graphing calculator is recommended.\r
\n" ); document.write( "\n" ); document.write( "For a certain type of tree, the diameter D (in feet) depends on the tree's age t (in years) according to the logistic growth model\r
\n" ); document.write( "\n" ); document.write( "D(t)= 5.4/1+2.9e^-0.01t\r
\n" ); document.write( "\n" ); document.write( "Find the diameter of a 24-year-old tree. (Round your answer to three decimal places.)
\n" ); document.write( " ft \n" ); document.write( "
Algebra.Com's Answer #795713 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "the formula is:\r\n" );
document.write( "d(t) = 5.41 / (1 + 2.9 * e ^ -.01t)\r\n" );
document.write( "\r\n" );
document.write( "when t = 24, the formula becomes:\r\n" );
document.write( "d(t) = 5.41 / (1 + 2.9 * e ^ -.24)\r\n" );
document.write( "\r\n" );
document.write( "solve for d(t) to get:\r\n" );
document.write( "d(t) = 1.648776579\r\n" );
document.write( "\r\n" );
document.write( "that's the diameter of the tree after 24 years.\r\n" );
document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );