document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162435>Question 1162435</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2. Concentric circles are formed when a stone is dropped in a pool of water.\r<BR>\n" );
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document.write( "a) What is the average rate of change in the area of one circle with respect to the radius as the radius<BR>\n" );
document.write( "grows from 10 cm to 50 cm?<BR>\n" );
document.write( "b) How fast is the area changing with respect to the radius when the radius is 75 cm? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #786427 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52790)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=786427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "duplicate.\r<BR>\n" );
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document.write( "Just was solved and answered once . . . \r<BR>\n" );
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document.write( " </SPAN>\n" );
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