document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=379329>Question 379329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> {(x, y): (absolute value sign)x (absolute value sign) + ( abs value) y (abs value) = 1}    what is the domain of this relation and is it a function? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #269331 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=269331\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> {(x, y): (absolute value sign)x (absolute value sign) + ( abs value) y (abs value) = 1} what is the domain of this relation and is it a function?<BR>\n" );
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document.write( "|x|+|y| = 1<BR>\n" );
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document.write( "Domain?<BR>\n" );
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document.write( "|x| = 1-|y|<BR>\n" );
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document.write( "|y| is always >= 0<BR>\n" );
document.write( "So |x| <= 1<BR>\n" );
document.write( "So -1 <= x <=1 is the domain.<BR>\n" );
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document.write( "Range?<BR>\n" );
document.write( "The same arguments as above apply to |y|<BR>\n" );
document.write( "So -1 <= y <= 1 is the range<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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