document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=466904>Question 466904</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function and express the answer in interval notation. Explain in words and show the calculations <BR>\n" );
document.write( "13x^2-5x+9=0<BR>\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 #320210 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=320210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function and express the answer in interval notation. Explain in words and show the calculations <BR>\n" );
document.write( "13x^2-5x+9=0<BR>\n" );
document.write( "Use Quadratic formula:<BR>\n" );
document.write( "x = [5 +- sqrt(25-4*13*9)]/26<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = [5 +- sqrt(27)]/26<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = [5 +- 3sqrt(3)]/26<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equations don't have a domain; they have solution(s).<BR>\n" );
document.write( "A rule, such as f(x) = 13x^2-5x+9 has a domain; it has an infinite # of solutions.<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );