document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=810118>Question 810118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the range of the function.<BR>\n" );
document.write( "h(x)=x^2/1-x^2<BR>\n" );
document.write( "a.<BR>\n" );
document.write( "[5, &#8734; )<BR>\n" );
document.write( "b.<BR>\n" );
document.write( "(- &#8734;, -1)U(-1, 1)U(1, + &#8734;)<BR>\n" );
document.write( "c.<BR>\n" );
document.write( "(- &#8734;, 10]<BR>\n" );
document.write( "d.<BR>\n" );
document.write( "(- &#8734;, -1) U [0, &#8734; ) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488115 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=488115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the range of the function.<BR>\n" );
document.write( "h(x)=x^2/(1-x^2)<BR>\n" );
document.write( "***<BR>\n" );
document.write( "Vertical asymptotes:<BR>\n" );
document.write( "set denominator=0, then solve for x<BR>\n" );
document.write( "1-x^2=0<BR>\n" );
document.write( "(1+x)(1-x)=0<BR>\n" );
document.write( "x=-1 and x=1<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Horizontal asymptotes:<BR>\n" );
document.write( "When degree of denominator=degree of numerator, divide their coefficients, 1/-1=-1<BR>\n" );
document.write( "y=-1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "number line:<BR>\n" );
document.write( "<..-..-1..+..0..+..1..-..><BR>\n" );
document.write( "ans: d. (- &#8734;, -1) U [0, &#8734; )\r<BR>\n" );
document.write( "\n" );
document.write( "see graph below:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2Cx%5E2%2F%281-x%5E2%29%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2Cx%5E2%2F%281-x%5E2%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );