document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1063878>Question 1063878</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An expression is well-defined if you can compute its value without any illegal operations. Examples of expressions that are not well-defined include 1/0 and sqrt{-10}. For what values of x is the expression<BR>\n" );
document.write( "[sqrt{x + 1} + sqrt{1 - x}] /sqrt{x}<BR>\n" );
document.write( "well-defined?\r<BR>\n" );
document.write( "\n" );
document.write( "Express your answer in interval notation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #679587 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52832)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=679587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Was solved, asked and answered a week ago\r<BR>\n" );
document.write( "\n" );
document.write( "<A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.1064348.html>https://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.1064348.html</A>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "https://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.1064348.html\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "For what reason do you post it again and again ?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );