document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=12885>Question 12885</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with Algebra question concerning \"domain\" examples<BR>\n" );
document.write( "find the domain of the function;\r<BR>\n" );
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document.write( "y=1/2x<BR>\n" );
document.write( "y=1/x+3\r<BR>\n" );
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document.write( "Thanks, Tony </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6494 by </B><A HREF=/tutors/aboutme.mpl?userid=AdolphousC><B>AdolphousC(70)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AdolphousC><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=6494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When your dealing with domain of functions, and you have fractions you are looking for any place where the denominator of that fraction would be equal to zero. These are the places that CAN NOT be part of your domain since division by zero is illegal.\r<BR>\n" );
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document.write( "For example, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Fx+ ALIGN=MIDDLE  ALT=\"+1%2Fx+\"   DISABLED_style= \"max-width:90%; height:auto;\" > what values of x would cause you to divide by 0? <BR>\n" );
document.write( "When X = 0, so the domain of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Fx+ ALIGN=MIDDLE  ALT=\"+1%2Fx+\"   DISABLED_style= \"max-width:90%; height:auto;\" > would be any number EXCEPT 0<BR>\n" );
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document.write( "If you have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F%28x%2B5%29+ ALIGN=MIDDLE  ALT=\"+1%2F%28x%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > what number would cause you to divide by zero?<BR>\n" );
document.write( "If you are unsure, set the denominator equal to zero and solve.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+5+=+0+ ALIGN=MIDDLE  ALT=\"+x+%2B+5+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract 5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+-5+ ALIGN=MIDDLE  ALT=\"+x+=+-5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the domain of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F%28x%2B5%29+ ALIGN=MIDDLE  ALT=\"+1%2F%28x%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > would be any number EXCEPT -5\r<BR>\n" );
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document.write( "Hope that helps, Mr. C </SPAN>\n" );
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