document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937234>Question 937234</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A species of fish was added to a lake. The population size P(t) of this species can be modeled by the following exponential function:<BR>\n" );
document.write( "P(t)=1500/(1+7e^-0.4t) <BR>\n" );
document.write( "where t is the number of years from the time the species was added to the lake. \r<BR>\n" );
document.write( "\n" );
document.write( "Find the initial population size of the species and the population size after 9 years. Round your answers to the nearest whole number as necessary. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #570685 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=570685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(t) = 1500/(1+7*e^-0.4t)<BR>\n" );
document.write( "P(0) = 1500/(1+7*e^0)<BR>\n" );
document.write( "P(0) = 187.5<BR>\n" );
document.write( "P(0) = 188<BR>\n" );
document.write( "---<BR>\n" );
document.write( "P(9) = 1500/(1+7*e^-0.4*9)<BR>\n" );
document.write( "P(9) = 1259.16455944<BR>\n" );
document.write( "P(9) = 1259<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );