document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=74600>Question 74600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what are the domains of these expressions?  How do I find these domains?\r<BR>\n" );
document.write( "\n" );
document.write( "1).  the sqrt of 2-x<BR>\n" );
document.write( "2). x-3 over x+2<BR>\n" );
document.write( "3). 3x^2 +2x -8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #53579 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=53579\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find Domain of the following:<BR>\n" );
document.write( "Domains are unrestricted unless certain x-values result in <BR>\n" );
document.write( "non-Real numbers or produce denominators of zero.\r<BR>\n" );
document.write( "\n" );
document.write( "1).  the sqrt of (2-x<BR>\n" );
document.write( "To avoid non-Real number results 2-x >=0; x<=2<BR>\n" );
document.write( "So, Domain is all Real numbers x<=2<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "2). x-3 over x+2<BR>\n" );
document.write( "To keep the denominator a non-zero value, x must not be -2<BR>\n" );
document.write( "So, Domain is all Real numbers except x=-2<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "3). 3x^2 +2x -8<BR>\n" );
document.write( "X can take on any value.<BR>\n" );
document.write( "So, Domain is all Real numbers.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );