document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128577>Question 128577</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain and range of the following:<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 #94076 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=94076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C500%2C-10%2C10%2C-10%2C10%2C%0D%0Agrid%281%29%2C%0D%0Agraph%28500%2C500%2C-10%2C10%2C-10%2C10%2C0%29%2C%0D%0Acircle%280%2C0%2C4%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Looking at the graph, notice how both the x-values and y-values are restricted. In other words, we cannot plug in x=10 (as it does not fall on the curve). So we can only plug in x-values from -4 to 4. So the domain is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4%3C=x%3C=4 ALIGN=MIDDLE  ALT=\"-4%3C=x%3C=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "which in set-builder notation is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \textrm{\left{x|x\in\mathbb{R}: -4\le x\le4\right}}\">\r<BR>\n" );
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document.write( "In plain English, this reads: x is the set of all real numbers that are in between -4 and 4\r<BR>\n" );
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document.write( "Also, in interval notation, the domain is:\r<BR>\n" );
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document.write( "[-4,4]\r<BR>\n" );
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document.write( "-------------------------------\r<BR>\n" );
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document.write( "This also applies to the range. The range is also <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4%3C=y%3C=4 ALIGN=MIDDLE  ALT=\"-4%3C=y%3C=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Which in set-builder notation is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \textrm{\left{y|y\in\mathbb{R}: -4\le y\le4\right}}\">\r<BR>\n" );
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document.write( "In plain English, this reads: y is the set of all real numbers that are in between -4 and 4\r<BR>\n" );
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document.write( "Also, in interval notation, the range is:\r<BR>\n" );
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document.write( "[-4,4] \r<BR>\n" );
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document.write( "--------------------------\r<BR>\n" );
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document.write( "Summary:\r<BR>\n" );
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document.write( "So the domain and range are both [-4,4]<BR>\n" );
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