document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46289>Question 46289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that x represents one of two positive numbers whose sum is 30.  Determine a function f(x) that represents the product of these two numbers.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30711 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If x is one of two numbers whose sum is 30, then the other number is 30-x, since x + (30-x) = 30\r<BR>\n" );
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document.write( "The product of x and (30-x) is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2830-x%29+=+30x+-+x%5E2 ALIGN=MIDDLE  ALT=\"x%2830-x%29+=+30x+-+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "A function of x representing this can be written:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+30x-x%5E2 ALIGN=MIDDLE  ALT=\"f%28x%29+=+30x-x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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