document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159709>Question 159709</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can someone help me with this question:\r<BR>\n" );
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document.write( "(f^o g)(x) = (g^o f)(x)\r<BR>\n" );
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document.write( "a. Always<BR>\n" );
document.write( "b. Never<BR>\n" );
document.write( "c. Sometimes<BR>\n" );
document.write( "d. There is no such thing as (f^o g)(x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117832 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Not sure what ^ means in (f^o g)(x) = (g^o f)(x).<BR>\n" );
document.write( "I'd be inclined to answer d) no such thing.<BR>\n" );
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document.write( "If you mean composite functions and ^ is a typo,<BR>\n" );
document.write( "f(g(x))=g(f(x)), then the answer is c) sometimes.<BR>\n" );
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