document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1113334>Question 1113334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3. Find an expression for a function that takes a real number f(x) and performs the following three steps in the order given:<BR>\n" );
document.write( "(1) multiply by 2   (2) subtract 4    (3) take the square root<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728336 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Your statement of the problem is not right.  f(x) is the function; it is not the real number you start with.<br><BR>\n" );
document.write( "start with a real number x.<BR>\n" );
document.write( "(1) multiply by 2: 2x<BR>\n" );
document.write( "(2) subtract 4: 2x-4<BR>\n" );
document.write( "(3) take the square root: sqrt(2x-4)<br><BR>\n" );
document.write( "Answer: f(x) = sqrt(2x-4) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );