document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184782>Question 1184782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the value of k so that the function f(x) = (x-6)/(2x+k) will be its own inverse? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #815428 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=815428\">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=x=%28y-6%29%2F%282y%2Bk%29 ALIGN=MIDDLE  ALT=\"x=%28y-6%29%2F%282y%2Bk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------just tried quickly switching x and y\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282y%2Bk%29x=y-6 ALIGN=MIDDLE  ALT=\"%282y%2Bk%29x=y-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2xy%2Bkx=y-6 ALIGN=MIDDLE  ALT=\"2xy%2Bkx=y-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2xy-y=-kx-6 ALIGN=MIDDLE  ALT=\"2xy-y=-kx-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%282x-1%29=-kx-6 ALIGN=MIDDLE  ALT=\"y%282x-1%29=-kx-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%28kx%2B6%29%2F%282x-1%29 ALIGN=MIDDLE  ALT=\"y=-%28kx%2B6%29%2F%282x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Want  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28kx%2B6%29%2F%282x-1%29=%28x-6%29%2F%282x%2Bk%29 ALIGN=MIDDLE  ALT=\"-%28kx%2B6%29%2F%282x-1%29=%28x-6%29%2F%282x%2Bk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28kx%2B6%29%282x%2Bk%29=%282x-1%29%28x-6%29 ALIGN=MIDDLE  ALT=\"-%28kx%2B6%29%282x%2Bk%29=%282x-1%29%28x-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-kx-6%29%282x%2Bk%29=%28x-6%29%282x-1%29 ALIGN=MIDDLE  ALT=\"%28-kx-6%29%282x%2Bk%29=%28x-6%29%282x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Looking at left and right members correspond, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28k=-1%29 ALIGN=MIDDLE  ALT=\"highlight%28k=-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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