document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36638>Question 36638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi: I need help here! Thanks so very much!\r<BR>\n" );
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document.write( "Assume that the number of viruses present in a sample is modeled by the exponential function \"f(t) = 10t\", where t is the elapsed time in minutes. How would you apply logarithms to determine when the sample will grow to 5 billion viruses?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22515 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=22515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok, Virus will each have a cell divison time.<BR>\n" );
document.write( "TO find that time; put the equation in normal form first:<BR>\n" );
document.write( "Ok first your equation might be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28t%29=10%5Et ALIGN=MIDDLE  ALT=\"f%28t%29=10%5Et\"   DISABLED_style= \"max-width:90%; height:auto;\" > not f(t)=10t<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2810%29%5E9=10%5Et ALIGN=MIDDLE  ALT=\"5%2810%29%5E9=10%5Et\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%2810%29%5E9%29=log10%5Et ALIGN=MIDDLE  ALT=\"log%285%2810%29%5E9%29=log10%5Et\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%2810%29%5E9%29=tlog10 ALIGN=MIDDLE  ALT=\"log%285%2810%29%5E9%29=tlog10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log5%2Blog%2810%29%5E9=tlog10 ALIGN=MIDDLE  ALT=\"log5%2Blog%2810%29%5E9=tlog10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log5%2B9log10=tlog10 ALIGN=MIDDLE  ALT=\"log5%2B9log10=tlog10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Like bases cancel out:<BR>\n" );
document.write( "t=log5+9<BR>\n" );
document.write( "Paul.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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