document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72423>Question 72423</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1592009425/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> help!!!!<BR>\n" );
document.write( "if f(2x)=4/2+x\r<BR>\n" );
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document.write( "calculate<BR>\n" );
document.write( "2f(x)=? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51790 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=51790\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282x%29=4%2F%282%2Bx%29 ALIGN=MIDDLE  ALT=\"f%282x%29=4%2F%282%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+2x ALIGN=MIDDLE  ALT=\"z+=+2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Then, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+z%2F2 ALIGN=MIDDLE  ALT=\"x+=+z%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28z%29=4%2F%282%2Bz%2F2%29 ALIGN=MIDDLE  ALT=\"f%28z%29=4%2F%282%2Bz%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28z%29=8%2F%284%2Bz%29 ALIGN=MIDDLE  ALT=\"f%28z%29=8%2F%284%2Bz%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Replacing z by x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=8%2F%284%2Bx%29 ALIGN=MIDDLE  ALT=\"f%28x%29=8%2F%284%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2f%28x%29=2%2A8%2F%284%2Bx%29=16%2F%284%2Bx%29 ALIGN=MIDDLE  ALT=\"2f%28x%29=2%2A8%2F%284%2Bx%29=16%2F%284%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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