document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=59823>Question 59823</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is a domain?  and how would i figure this out? is there an easy way to solve this?? can you please help thank you very much\r<BR>\n" );
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document.write( "Determine the domain of each relation.\r<BR>\n" );
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document.write( "28. y = \/ x-2 \r<BR>\n" );
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document.write( "30. y = 4-x^2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #41072 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=41072\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> OK....DOMAIN I SHALL TELL YOU..<BR>\n" );
document.write( "THE VALUES X CAN TAKE TO MAKE THE FUNCTION REAL IS<BR>\n" );
document.write( "DOMAIN.<BR>\n" );
document.write( "EX.1<BR>\n" );
document.write( "F(X)=X^2+1....X CAN TAKE ANY REAL VALUE..SO DOMAIN IS<BR>\n" );
document.write( "ALL REAL NUMBERS.<BR>\n" );
document.write( "IN SET NOTATION WE WRITE IT AS (-INFINITY,+INFINITY)<BR>\n" );
document.write( "EX.2<BR>\n" );
document.write( "G(X)=SQRT(X)<BR>\n" );
document.write( "NOW IF X IS NEGATIVE THE FUNCTION BECOMES<BR>\n" );
document.write( "IMAGINARY..HENCE X CANNOT BE NEGATIVE.<BR>\n" );
document.write( "SO WE SAY DOMAIN OF X IS ALLREAL VALUES GREATER THAN<BR>\n" );
document.write( "OR EQUAL TO ZERO.<BR>\n" );
document.write( "IN SET NOTATION WE WRITE IT AS (0,INFINITY)<BR>\n" );
document.write( "YOUR PROBLEM<BR>\n" );
document.write( "Y = SQRT(X-2).....X-2>=0<BR>\n" );
document.write( "X>=2<BR>\n" );
document.write( "DOMAIN IS +2 TO INFINITY...[2,INFINITY)...[ INDICATES IT CAN EQUAL 2  </SPAN>\n" );
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