document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4942>Question 4942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = –5x – 3 and g(x) = x2 + 10x. Find (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 #2448 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+-5x+-+3+ ALIGN=MIDDLE  ALT=\"f%28x%29+=+-5x+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28x%29+=+x%5E2+%2B+10x ALIGN=MIDDLE  ALT=\"g%28x%29+=+x%5E2+%2B+10x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(f o g)(x) means f[ g(x)] which means to take the g(x) formula and substitute it in the f(x) formula in place of the x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28+g%28x%29%29+=+-5%28x%5E2+%2B+10x%29+-+3 ALIGN=MIDDLE  ALT=\"f%28+g%28x%29%29+=+-5%28x%5E2+%2B+10x%29+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiplying it out you get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28+g%28x%29%29+=+-5x%5E2+-+50x+-+3 ALIGN=MIDDLE  ALT=\"f%28+g%28x%29%29+=+-5x%5E2+-+50x+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 at SCC\r<BR>\n" );
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