document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389816>Question 389816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Growth and decay. \r<BR>\n" );
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document.write( "In march, yoda invested $1500 into the stock market. In December his stock portfolio was worth $5200. What was the monthly rate of change in his portfolio?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #277618 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=277618\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I will assume that YOU invested $1500 AT THE BEGINNING of the month of March, and that at the END of December, YOUR stock portfolio has worth $5200.  So that's after 10 months.  YOUR portfolio's monthly rate of change r is then computed as follows:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5200+=+1500%281+%2Br%29%5E10 ALIGN=MIDDLE  ALT=\"5200+=+1500%281+%2Br%29%5E10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r++=+root%2810%2C+5200%2F1500%29+-+1+=+0.1324 ALIGN=MIDDLE  ALT=\"r++=+root%2810%2C+5200%2F1500%29+-+1+=+0.1324\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to 4 decimal places.<BR>\n" );
document.write( "That is 13.24% per month. </SPAN>\n" );
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