document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=882638>Question 882638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532967 by </B><A HREF=/tutors/aboutme.mpl?userid=Leaf+W.><B>Leaf W.(135)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Leaf+W.><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=Leaf+W.><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532967\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (fg)(-2) essentially means f(g(-2)) -- in other words, you need to find g(-2), and then plug that value into the function f.<BR>\n" );
document.write( "*<BR>\n" );
document.write( "g(-2) = 5(-2) + 4 = -10 + 4 = -6<BR>\n" );
document.write( "*<BR>\n" );
document.write( "f(g(-2)) = f(-6) = 8 - 10(-6) = 8 + 60 = 68<BR>\n" );
document.write( "*<BR>\n" );
document.write( "Thus, the value of (fg)(-2) is 68. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );