document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=486971>Question 486971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im in Pre-Calc.  What is the domain of:\r<BR>\n" );
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document.write( "h(x) = square root of (4-x) ALL OVER (x+1)(x squared+1)\r<BR>\n" );
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document.write( "give answers like (-3, 1) U (1, infinity) - that is just an answer from a previous problem\r<BR>\n" );
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document.write( "im having trouble with this current one because not much makes sense - thanks for the help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #332880 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=332880\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Try to find the RESTRICTED value which make the denominator to be zero<BR>\n" );
document.write( "set the denominator to be zero:<BR>\n" );
document.write( "(x + 1)(x^2 + 1) =0<BR>\n" );
document.write( "Since x^2 + 1 is NEVER to be zero.<BR>\n" );
document.write( "so x + 1 = 0<BR>\n" );
document.write( "x = -1<BR>\n" );
document.write( "Thus the domain is all REAL NUMBERS EXCEPT -1<BR>\n" );
document.write( "D = {x|(-inf, -1)U (-1, inf)}<BR>\n" );
document.write( "John10:) </SPAN>\n" );
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