document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=547348>Question 547348</A>: <I><SPAN STYLE=\"word-break: break-all;\"> help\r<BR>\n" );
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document.write( "f(x) = 3x - 5<BR>\n" );
document.write( "g(x) = 6x2 + 2x\r<BR>\n" );
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document.write( "Find: g(f(x))\r<BR>\n" );
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document.write( "f(x) = 2x + 3<BR>\n" );
document.write( "g(x) = 5x2 + 6x - 5\r<BR>\n" );
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document.write( "Find: f(g(x))\r<BR>\n" );
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document.write( "i can not figure these 2 out<BR>\n" );
document.write( "thanks for  your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359101 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=359101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 3x - 5<BR>\n" );
document.write( "g(x) = 6x^2 + 2x <BR>\n" );
document.write( "Find: g(f(x))<BR>\n" );
document.write( "method: for each x in g, substitute (3x-5) <BR>\n" );
document.write( "g[f(x)]=6(3x-5)^2+2(3x-5)<BR>\n" );
document.write( "=6(9x^2-30x+25)+6x-10<BR>\n" );
document.write( "=54x^2-180x+150+6x-10<BR>\n" );
document.write( "g[f(x)]=54x^2-174x+140\r<BR>\n" );
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document.write( "f(x) = 2x + 3<BR>\n" );
document.write( "g(x) = 5x^2 + 6x - 5 <BR>\n" );
document.write( "Find: f(g(x)) <BR>\n" );
document.write( "for each x in f, substitute (5x^2+6x-5)<BR>\n" );
document.write( "f[g(x)]=2(5x^2+6x-5)+3<BR>\n" );
document.write( "=10x^2+12x-10+3<BR>\n" );
document.write( "f[g(x)]=10x^2+12x-7 </SPAN>\n" );
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