document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=569143>Question 569143</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to find the lowest approval rating and when it was with the following formula\r<BR>\n" );
document.write( "\n" );
document.write( "A=2.5x^2-9.5x+48\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you!!! :-) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #367242 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=367242\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How to find the lowest approval rating and when it was with the following formula\r<BR>\n" );
document.write( "\n" );
document.write( "A=2.5x^2-9.5x+48<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "The lowest value occurs when dA/dx = 0:<BR>\n" );
document.write( "dA/dx = 5x - 9.5 = 0<BR>\n" );
document.write( "x = 1.9<BR>\n" );
document.write( "So A(min) = 2.5*1.9^2 - 9.5*1.9 + 48 = 38.975 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );