document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639970>Question 639970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the expressions: \r<BR>\n" );
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document.write( "1. 1/x-2  <BR>\n" );
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document.write( "I know if x=2, then the equation wouldn't work. So is the domain anything but two? How would I write that?\r<BR>\n" );
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document.write( "2. square root of x+1\r<BR>\n" );
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document.write( "no idea...? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402958 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f(x)\ =\ \frac{1}{x\ -\ 2}\"> then <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{dom }f\ =\ \left{x\,\in\,\mathbb{R}\,:\,x\ \neq\ 2\right}\">\r<BR>\n" );
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document.write( "Read: \"The domain of the function <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f\"> is the set of all numbers <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\"> contained in the set of Real numbers such that <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\"> is not equal to <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 2\">\"\r<BR>\n" );
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document.write( "2. The square root function is defined over the Reals only when the radicand (the part under the square root sign) is greater than or equal to zero.  Which is to say no negative numbers.  So:\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f\"> is a real-valued function and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f(x)\ =\ \sqrt{x\ +\ 1}\"> then <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{dom }f\ =\ \left{x\,\in\,\mathbb{R}\,:\,x\ \geq\ -1\right}\">\r<BR>\n" );
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document.write( "On the other hand,\r<BR>\n" );
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document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f\"> is a complex-valued function and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f(x)\ =\ \sqrt{x\ +\ 1}\"> then <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{dom }f\ =\ \left{x\,\in\,\mathbb{R}\right}\">\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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