document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963431>Question 963431</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I could not find a subject <BR>\n" );
document.write( "Relations and Functions \r<BR>\n" );
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document.write( "My equation is to graph this relation \r<BR>\n" );
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document.write( "x=-3 and I need to show all the work to get to the points of the graph I do not know where to start on this one.  I need the domain and range in interval notation and if it is a function or not with the reason.  \r<BR>\n" );
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document.write( "Thank you in advance for any assistance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588580 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=588580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = -3 is a vertical line at x = -3.\r<BR>\n" );
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document.write( "The domain is x = -3 because x can't be at any point on the x-axis other than -3.\r<BR>\n" );
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document.write( "the range is infinity because y can take on any value along the y-axis.\r<BR>\n" );
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document.write( "this is not a function because there are more than one value of y for a specific value of x.\r<BR>\n" );
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document.write( "it is therefore a relation.\r<BR>\n" );
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document.write( "the graph of x = -3 looks something like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-5%2C2%2C-20%2C20%2C500%2A%28x%2B3%29%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-5%2C2%2C-20%2C20%2C500%2A%28x%2B3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "it's a vertical line at x = -3.\r<BR>\n" );
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document.write( "a table of values for this graph would be something like this:\r<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "x          y\r\n" );
document.write( "-3         -1000\r\n" );
document.write( "-3         -500\r\n" );
document.write( "-3          0\r\n" );
document.write( "-3          500\r\n" );
document.write( "-3          1000\r\n" );
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document.write( "in other words, x can only be -3 and y can be any value along the y-axis.\r<BR>\n" );
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document.write( "there are an infinite number of possible values of y for that one value of x.\r<BR>\n" );
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document.write( "x can't take on any other value.\r<BR>\n" );
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document.write( "y can take on any value.\r<BR>\n" );
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document.write( "in interval notation, your domain would be x = [-3,-3].\r<BR>\n" );
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document.write( "that means that -3 is <= x which is <= -3.\r<BR>\n" );
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document.write( "that forces x to be equal to -3.\r<BR>\n" );
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document.write( "it can't be less than -3 and it can't be greater than -3 so it has to be -3.\r<BR>\n" );
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document.write( "in interval notation, your range would be y = (-infinity,infinity).\r<BR>\n" );
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document.write( "that means that y can be any value.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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