document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1145227>Question 1145227</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bird species in danger of extinction has a population that is decreasing exponentially (A=A_0e^kt).<BR>\n" );
document.write( "8 years ago the population was at 1470 and today only 840 of the birds are alive. Once the population drops below 120, the situation will be irreversible. When will this happen?\r<BR>\n" );
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document.write( "Hint: When you find k, round it to 6 decimals and use that value to answer the question. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #766476 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</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=766476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=A%5Bo%5De%5E%28kt%29 ALIGN=MIDDLE  ALT=\"A=A%5Bo%5De%5E%28kt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If t=0 were 8 years ago, and t=8 were today, then <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=840=1470%2Ae%5E%288k%29 ALIGN=MIDDLE  ALT=\"840=1470%2Ae%5E%288k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=840%2F1470=e%5E%288k%29 ALIGN=MIDDLE  ALT=\"840%2F1470=e%5E%288k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.57142857142=e%5E%288k%29 ALIGN=MIDDLE  ALT=\"0.57142857142=e%5E%288k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%280.57142857142%29=8k ALIGN=MIDDLE  ALT=\"ln%280.57142857142%29=8k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=-0.069952 ALIGN=MIDDLE  ALT=\"k=-0.069952\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "Model Equation,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28A=840%2Ae%5E%28-.069952t%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28A=840%2Ae%5E%28-.069952t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Continue with this... </SPAN>\n" );
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