document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147979>Question 147979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> need answer :)<BR>\n" );
document.write( "If f(x)=2x, then f(3) equals what? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108361 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If f(x)=2x, then f(3) equals what? <BR>\n" );
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document.write( "\"f(x)\" is a function of 'x'.  All you need to do, is to replace 'x' with 3 and solve:<BR>\n" );
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document.write( "f(x)=2x<BR>\n" );
document.write( "f(3)=2(3)= 6\r<BR>\n" );
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