document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031181>Question 1031181</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the functions f &#9675; g  and g &#9675; f.\r<BR>\n" );
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document.write( "f(x)=5x-9  ;  g(x)=1/5(x+9)\r<BR>\n" );
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document.write( "(f &#9675; g)(x) = 	<BR>\n" );
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document.write( "(g &#9675; f)(x) = 	<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645914 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=645914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the functions f &#9675; g and g &#9675; f. <BR>\n" );
document.write( "f(x)=5x-9 ; g(x)=1/5(x+9) \r<BR>\n" );
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document.write( "(f &#9675; g)(x) = f[g(x)] = f[(1/5)(x+9)] = 5[(1/5)(x+9)]-9 = x\r<BR>\n" );
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document.write( "(g &#9675; f)(x) = g[f(x)] = g[5x-9] = (1/5)(5x-9+9) = x<BR>\n" );
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document.write( "Comment:: That means f and g are inverse to one another.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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