document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106498>Question 106498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose N=x^+2 models the number ofcases of infection, in millions, of a disease x years from now. Approximately how many years will there be 7 million cases.\r<BR>\n" );
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document.write( "I got this 7=x^+2<BR>\n" );
document.write( "           (-x^2)=(-5)<BR>\n" );
document.write( "            x=25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77502 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=77502\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose N=x^+2 models the number ofcases of infection, in millions, of a disease x years from now. Approximately how many years will there be 7 million cases.<BR>\n" );
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document.write( "7x10^6 = x^2<BR>\n" );
document.write( "x = (sqrt7)(10^3)<BR>\n" );
document.write( "x = 2.64575*1000<BR>\n" );
document.write( "x = 2645.75 years<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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