document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=825909>Question 825909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1-x^2/2  and  2b-2/2b^2-8<BR>\n" );
document.write( "these are the problems that I am trying to solve. domains of rational expressions. I have just started this intermediate algebra class and this was NOT in the intro to algebra class I had and I am completely lost. I would appreciate work shown so maybe I would be able to better understand these problems. thank you to whoever decides to answer my question.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #497681 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=497681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1-x^2/2 and 2b-2/2b^2-8\r<BR>\n" );
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document.write( " domains of rational expressions.<BR>\n" );
document.write( "Domain of 1-x^2/2 is \"All Real Numbers\" because the fraction <BR>\n" );
document.write( "accepts all possible value for \"x\".<BR>\n" );
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document.write( "Domain of (2b-2)/(2b^2-8) ??<BR>\n" );
document.write( "Factor to get:<BR>\n" );
document.write( "[2(b-1)]/[2(b-2)(b+2)]<BR>\n" );
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document.write( "b cannot have the values b = 2 and b = -2<BR>\n" );
document.write( "So the Domain is \"All Real Numbers except b = 2 and b = -2\".<BR>\n" );
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document.write( "Comment: The Domain for rational expressions is \"All Real Numbers\"<BR>\n" );
document.write( "UNLESS it has :<BR>\n" );
document.write( "1. a denominator with variables<BR>\n" );
document.write( "2. even roots of an expression with variables<BR>\n" );
document.write( "3. log or ln expressions with a variable<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Check these out to determine the Domain<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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