document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979498>Question 979498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This exercise uses the population growth model. \r<BR>\n" );
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document.write( "The population of a certain city was 124,000 in 2006, and the observed doubling time for the population is 17 years.<BR>\n" );
document.write( "(a) Find an exponential model <BR>\n" );
document.write( "n(t) = n0^2t/a<BR>\n" );
document.write( " for the population t years after 2006. <BR>\n" );
document.write( "n(t)=<BR>\n" );
document.write( "b.Find an exponential model <BR>\n" );
document.write( "n(t) = n0^ert<BR>\n" );
document.write( " for the population t years after 2006. (Round your r value to four decimal places.) <BR>\n" );
document.write( "n(t) = </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600780 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=600780\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The basic equation should be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%28t%29=n%5Bo%5De%5E%28rt%29 ALIGN=MIDDLE  ALT=\"n%28t%29=n%5Bo%5De%5E%28rt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Doubling time of 17 years,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%28n%28t%29%29=ln%28n%5Bo%5D%29%2Br%2At ALIGN=MIDDLE  ALT=\"ln%28n%28t%29%29=ln%28n%5Bo%5D%29%2Br%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%282%29=ln%281%29%2Brt ALIGN=MIDDLE  ALT=\"ln%282%29=ln%281%29%2Brt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%282%29=rt ALIGN=MIDDLE  ALT=\"ln%282%29=rt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=ln%282%29%2Ft ALIGN=MIDDLE  ALT=\"r=ln%282%29%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28r=ln%282%29%2F17%29 ALIGN=MIDDLE  ALT=\"highlight_green%28r=ln%282%29%2F17%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----Evaluate or compute this value and use in the model. </SPAN>\n" );
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