document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970637>Question 970637</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function f(x)=7/x-5 is one to one.<BR>\n" );
document.write( "a.) Find the inverse of f.<BR>\n" );
document.write( "b.) Graph f, f^-1 and y=x on the same set of axes. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593228 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=593228\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=7/x-5\r<BR>\n" );
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document.write( "x=7/y-5, which is inverse.<BR>\n" );
document.write( "Multiply both sides by (y-5)<BR>\n" );
document.write( "x(y-5)=7\r<BR>\n" );
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document.write( "divide by x<BR>\n" );
document.write( "y-5=7/x<BR>\n" );
document.write( "add 5 to both sides\r<BR>\n" );
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document.write( "y=(7/x) +5   = (5x+7)/x\r<BR>\n" );
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document.write( "These are symmetrical around the y=x line.\r<BR>\n" );
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