document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743599>Question 743599</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation: Given f(x)= x^2 + 7 and g(x)= x^2 - 7, find f of 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 #452980 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=452980\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(g(x)) is a composition - we take a function as an input to another function.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=+x%5E2%2B7 ALIGN=MIDDLE  ALT=\"f%28x%29=+x%5E2%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and \r<BR>\n" );
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document.write( "g is the input of f so we replace g(x) with the expression - they are equal\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%5E2+-+7%29=%28x%5E2+-+7%29%5E2%2B7 ALIGN=MIDDLE  ALT=\"f%28x%5E2+-+7%29=%28x%5E2+-+7%29%5E2%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28g%28x%29%29=%28x%5E2+-+7%29%2A%28x%5E2+-+7%29%2B7 ALIGN=MIDDLE  ALT=\"f%28g%28x%29%29=%28x%5E2+-+7%29%2A%28x%5E2+-+7%29%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28g%28x%29%29=x%5E4-14x%5E2%2B56 ALIGN=MIDDLE  ALT=\"f%28g%28x%29%29=x%5E4-14x%5E2%2B56\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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