document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=669863>Question 669863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the vertical asymptotes, if any, of the graph of the rational function. <BR>\n" );
document.write( "f(x) = x/ x^2 + 1 \r<BR>\n" );
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document.write( "A. x = 1	\r<BR>\n" );
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document.write( "B. x = -1	\r<BR>\n" );
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document.write( "C. x = -1, x = 1	\r<BR>\n" );
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document.write( "D. no vertical asymptote	 </SPAN>\n" );
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document.write( "Vertical asymptotes of a rational function are found at REAL zeros of the denominator polynomial.  Set the denominator equal to zero and solve for all real zeros.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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