document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=666855>Question 666855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> verify that x and y are inverse functions f(x)=x+7 g(x)=x-7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #416302 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=416302\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Starting with<BR>\n" );
document.write( "f(x) = x+7<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y = x+7<BR>\n" );
document.write( "Isolate x<BR>\n" );
document.write( "x = y-7<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Swap x and y<BR>\n" );
document.write( "y = x-7<BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E-1%28x%29+=+x-7 ALIGN=MIDDLE  ALT=\"f%5E-1%28x%29+=+x-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );