document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867834>Question 867834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.\r<BR>\n" );
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document.write( "{(-2, 4), (2, -4), (8, -2), (-8, 2)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #803753 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=803753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This function shows a one-to-one correspondence; that is, every value of x corresponds to exactly one value of y. So yes, this function has an inverse.\r<BR>\n" );
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document.write( "Swap the x and y values.\r<BR>\n" );
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document.write( "f^(-1)(x) = {(4, -2), (-4, 2), (-2, 8), (2, -8)} </SPAN>\n" );
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