document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077241>Question 1077241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bird species in danger of extinction has a population that is decreasing exponentially  \left(A = A_0 e^{kt}\right). <BR>\n" );
document.write( "6 years ago the population was at 1710 and today only 950 of the birds are alive. Once the population drops below 150, the situation will be irreversible. When will this happen?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691768 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=691768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From 6 years ago to now:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=950=1710%2Ae%5E%28kt%29 ALIGN=MIDDLE  ALT=\"950=1710%2Ae%5E%28kt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, k will be found negative in value.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28kt%29=950%2F1710 ALIGN=MIDDLE  ALT=\"e%5E%28kt%29=950%2F1710\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28kt%29=95%2F171 ALIGN=MIDDLE  ALT=\"e%5E%28kt%29=95%2F171\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28kt%29=5%2F9 ALIGN=MIDDLE  ALT=\"e%5E%28kt%29=5%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%28e%5E%28kt%29%29=ln%285%2F9%29 ALIGN=MIDDLE  ALT=\"ln%28e%5E%28kt%29%29=ln%285%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=kt=ln%285%2F9%29 ALIGN=MIDDLE  ALT=\"kt=ln%285%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and t quantity used was t=6;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%281%2F6%29ln%285%2F9%29 ALIGN=MIDDLE  ALT=\"k=%281%2F6%29ln%285%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=-0.09796 ALIGN=MIDDLE  ALT=\"k=-0.09796\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "MODEL:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28A=A%5Bo%5De%5E%28-0.09796t%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28A=A%5Bo%5De%5E%28-0.09796t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=150 ALIGN=MIDDLE  ALT=\"A=150\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%5Bo%5D=950 ALIGN=MIDDLE  ALT=\"A%5Bo%5D=950\"   DISABLED_style= \"max-width:90%; height:auto;\" >, what is t?<BR>\n" );
document.write( "You do this on your own? </SPAN>\n" );
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