document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=816336>Question 816336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The following formula models the number of prison inmates, P, in thousands, who are in U.S. prisons x years after 1980.\r<BR>\n" );
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document.write( "P = 2 x^2+20 x+308\r<BR>\n" );
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document.write( "Find the first year in which the population of U.S. prisons was approximately 1508 thousand people.\r<BR>\n" );
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document.write( "Answer: The population reached 1508 thousand people in the year </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491493 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=491493\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = 20<BR>\n" );
document.write( "2000 year </SPAN>\n" );
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