document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144396>Question 144396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show that the function f(x)=x/x-4 is a one to one function\r<BR>\n" );
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document.write( "Find the inverse of the function\r<BR>\n" );
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document.write( "Thank you tutors </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #105142 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=105142\">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=y=x%2F%28x-4%29 ALIGN=MIDDLE  ALT=\"y=x%2F%28x-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2F%28y-4%29 ALIGN=MIDDLE  ALT=\"x=y%2F%28y-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Switch x and y\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28y-4%29=y ALIGN=MIDDLE  ALT=\"x%28y-4%29=y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-4 ALIGN=MIDDLE  ALT=\"y-4\"   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=xy-4x=y ALIGN=MIDDLE  ALT=\"xy-4x=y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4x=y-xy ALIGN=MIDDLE  ALT=\"-4x=y-xy\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract xy from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4x=y%281-x%29 ALIGN=MIDDLE  ALT=\"-4x=y%281-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor out the GCF y\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4x%2F%281-x%29=y ALIGN=MIDDLE  ALT=\"-4x%2F%281-x%29=y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-x ALIGN=MIDDLE  ALT=\"1-x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the inverse function is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-4x%2F%281-x%29 ALIGN=MIDDLE  ALT=\"f%28x%29=-4x%2F%281-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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