document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=874992>Question 874992</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the function f(x) = 8x+9/x-2 is one to one.\r<BR>\n" );
document.write( "\n" );
document.write( "find an equation for f^-1(x), the inverse function </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #527893 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=527893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = 8x+9 / (x-2)<BR>\n" );
document.write( "solve for x<BR>\n" );
document.write( "yx -2y = 8x + 9<BR>\n" );
document.write( "yx -8x = 2y + 9<BR>\n" );
document.write( "x = (2y+9) / (y-8)<BR>\n" );
document.write( "interchange x's and y's<BR>\n" );
document.write( "y = (2x+9) / (x-8)<BR>\n" );
document.write( "f inverse (x) = (2x+9) / (x-8)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );