document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164349>Question 164349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given functions f(x)=3x-4, g(x)=2x^2-7, h(x)=square root of x+5<BR>\n" );
document.write( "Find (f o g)(x)=\r<BR>\n" );
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document.write( "Find (h o f)(x)=\r<BR>\n" );
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document.write( "Evaluate (g o f)(-2)=\r<BR>\n" );
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document.write( "I really need this tonight - I've been out and missed this in class. Thank you very much for taking the time to help. I believe I know how to do this but am not real confident of my answers and really need to do well on this quiz. I will be working on the other problems I do know how to do. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121066 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=121066\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  (f o g)(x)= 3(g(x))-4 = 3(2x^2-7)-4 = 6x^2-21-4 = 6x^2-25\r<BR>\n" );
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document.write( "(h o f)(x)= sqrt(f(x)+5) = sqrt(3x-4+5) = sqrt(3x+1)\r<BR>\n" );
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document.write( "(g o f)(-2)= 2(f(-2))^2-7 = 2(3(-2)-4)^2-7 = 2(-10)^2-7 = 193 </SPAN>\n" );
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