document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161457>Question 161457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION:\r<BR>\n" );
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document.write( "Determine whether the equation defines y as a function of x.\r<BR>\n" );
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document.write( "xy + 5y = 1\r<BR>\n" );
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document.write( "yes or no </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118933 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=118933\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine whether the equation defines y as a function of x. <BR>\n" );
document.write( "xy + 5y = 1 <BR>\n" );
document.write( "yes or no<BR>\n" );
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document.write( "Yes, it does.  y can be expressed as a function of x, meaning y can be isolated on one side of the equal sign.<BR>\n" );
document.write( "xy + 5y = 1 <BR>\n" );
document.write( "x + 5 = 1/y<BR>\n" );
document.write( "y = 1/(x+5)<BR>\n" );
document.write( "Note that for x = -5 the DEN is zero, so that's excluded. </SPAN>\n" );
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