document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129785>Question 1129785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please assist in explaining this problem. I still do not understand what I am doing or why I am doing it. \r<BR>\n" );
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document.write( "The population P of a fish farm in t years is modeled by the equation <BR>\n" );
document.write( "P(t) = 1600/ 1 + 9e&#8722;0.9t.<BR>\n" );
document.write( "To the nearest whole number, what will the fish population be after 2 years?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #746421 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=746421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "In fact the other tutor does NOT have the equation right.  It is a standard logistic equation:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29+=+1600%2F%281%2B9e%5E%28-0.9t%29%29 ALIGN=MIDDLE  ALT=\"P%28t%29+=+1600%2F%281%2B9e%5E%28-0.9t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "In a logistic equation, it is easy to calculate the beginning value (t=0) and the limiting value (t \"very large\"):<br><BR>\n" );
document.write( "t=0: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1600%2F%281%2B9e%5E0%29+=+1600%2F%281%2B9%29+=+1600%2F10+=+160 ALIGN=MIDDLE  ALT=\"1600%2F%281%2B9e%5E0%29+=+1600%2F%281%2B9%29+=+1600%2F10+=+160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "t=1000: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1600%2F%281%2B9e%5E-900%29+=+1600%2F%281%2B9%280%29%29+=+1600%2F%281%2B0%29+=+1600%2F1+=+1600 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "For intermediate values, with the exponential base e and a decimal exponent, you need to use a calculator.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%282%29+=+1600%2F%281%2B9e%5E%28-0.9%282%29%29%29 ALIGN=MIDDLE  ALT=\"P%282%29+=+1600%2F%281%2B9e%5E%28-0.9%282%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 643 to the nearest whole number.<br> </SPAN>\n" );
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