document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=160107>Question 160107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can someone please help me with this problem:\r<BR>\n" );
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document.write( "What is g(x) = f^-1(x) if f(x) = 1/2x ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118067 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=118067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is g(x) = f^-1(x) if f(x) = 1/2x ?<BR>\n" );
document.write( "Don't know if you mean:<BR>\n" );
document.write( "f(x) = 1/(2x)<BR>\n" );
document.write( "or<BR>\n" );
document.write( "f(x) = (1/2)x<BR>\n" );
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document.write( "I'll assume the later.<BR>\n" );
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document.write( "To find the inverse of a function:<BR>\n" );
document.write( "f(x) = (1/2)x<BR>\n" );
document.write( "y = (1/2)x<BR>\n" );
document.write( "Solve for x:<BR>\n" );
document.write( "2y = x<BR>\n" );
document.write( "substitute x and y:<BR>\n" );
document.write( "2x = y<BR>\n" );
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document.write( "therefore,<BR>\n" );
document.write( "f^-1(x) = 2x<BR>\n" );
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document.write( "AND,<BR>\n" );
document.write( "g(x) = 2x<BR>\n" );
document.write( " </SPAN>\n" );
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