document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1052641>Question 1052641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> when the population growth of a certain city was first studied, the population was 22000. It was found that the population P grows with respect to time t in years by the formula:<BR>\n" );
document.write( "P=22000 (10 ^0.163t) \r<BR>\n" );
document.write( "\n" );
document.write( "a.) How long will it take for the city to double its population?<BR>\n" );
document.write( "b.) How long will it take for the population of the city to triple? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #667974 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=667974\">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=P%280%29=22000 ALIGN=MIDDLE  ALT=\"P%280%29=22000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "a)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=44000=22000%2810%5E%280.163t%29%29 ALIGN=MIDDLE  ALT=\"44000=22000%2810%5E%280.163t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E%280.163t%29=2 ALIGN=MIDDLE  ALT=\"10%5E%280.163t%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.163t%29=log%28%282%29%29 ALIGN=MIDDLE  ALT=\"0.163t%29=log%28%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=log%28%282%29%29%2F0.163 ALIGN=MIDDLE  ALT=\"t=log%28%282%29%29%2F0.163\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and similarly<BR>\n" );
document.write( "b)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=log%28%283%29%29%2F0.163 ALIGN=MIDDLE  ALT=\"t=log%28%283%29%29%2F0.163\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );