document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106447>Question 1106447</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need the equations to figure out \r<BR>\n" );
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document.write( "A. $30 invested at 8% compounded continuously after a period of 4 years.<BR>\n" );
document.write( "I got the answer of $40.81 but it's $40.31. ( need clarification)\r<BR>\n" );
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document.write( "B. What rate of interest compounded annually is required to double an investment in 16 years? I got the answer of 4.5% but the answer is 4.43% (need clarification) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #721426 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=721426\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A. $30 invested at 8% compounded continuously after a period of 4 years.<BR>\n" );
document.write( "I got the answer of $40.81 but it's $40.31. ( need clarification)<BR>\n" );
document.write( "30*e^(0.08*4) = 41.31<BR>\n" );
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document.write( "B. What rate of interest compounded annually is required to double an investment in 16 years? I got the answer of 4.5% but the answer is 4.43% (need clarification)<BR>\n" );
document.write( "FV = PV*(1 + r)^16<BR>\n" );
document.write( "2 = (1 + r)^16<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%2B+r+=+root%2816%2C2%29 ALIGN=MIDDLE  ALT=\"1+%2B+r+=+root%2816%2C2%29\"   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%2816%2C2%29+-+1 ALIGN=MIDDLE  ALT=\"r+=+root%2816%2C2%29+-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r =~ 4.43%<BR>\n" );
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