document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048296>Question 1048296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Describe the constant a and b such that <BR>\n" );
document.write( "f(x)=  (2x+a)/(bx-2) and f(x)=f^-1(x) for all x in the domain of f.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #663917 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=663917\">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=f%28x%29=++%282x%2Ba%29%2F%28bx-2%29 ALIGN=MIDDLE  ALT=\"f%28x%29=++%282x%2Ba%29%2F%28bx-2%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=f%28f%5E%28-1%29+%28x%29%29=+x+=++%282f%5E%28-1%29%28x%29%2Ba%29%2F%28bf%5E%28-1%29%28x%29-2%29 ALIGN=MIDDLE   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=x%28bf%5E%28-1%29%28x%29-2%29+=++%282f%5E%28-1%29%28x%29%2Ba%29 ALIGN=MIDDLE  ALT=\"x%28bf%5E%28-1%29%28x%29-2%29+=++%282f%5E%28-1%29%28x%29%2Ba%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=f%5E%28-1%29%28x%29+=+%282x%2Ba%29%2F%28bx-2%29 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%28x%29+=+%282x%2Ba%29%2F%28bx-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, after some more algebraic manipulations.\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+f%5E%28-1%29%28x%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+f%5E%28-1%29%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > , for all x common to their domains.\r<BR>\n" );
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document.write( "===> There are no restrictions on the values a and b. </SPAN>\n" );
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