document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=777205>Question 777205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function. (Enter your answer using interval notation.)<BR>\n" );
document.write( "f(x) = <BR>\n" );
document.write( "5x^3 &#8722; 5/ x^2 + 2x &#8722; 15<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473976 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=473976\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function. (Enter your answer using interval notation.)<BR>\n" );
document.write( "f(x) = 5x^3 &#8722; 5/ x^2 + 2x &#8722; 15<BR>\n" );
document.write( "function is undefined if denominator=0<BR>\n" );
document.write( "so, set denominator=0, and solve for x.<BR>\n" );
document.write( "x^2+2x&#8722;15=0<BR>\n" );
document.write( "(x+5)(x-3)=0<BR>\n" );
document.write( "x=-5<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "domain: (-&#8734;,-5) U (-5,3) U (3,&#8734;)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );