document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=928039>Question 928039</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hey guys i was wondering if you guys could help me out with this question, thanks a lot.\r<BR>\n" );
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document.write( "1) A student invests $4000 in a savings bond that earns 5.3% interest compounded quarterly.\r<BR>\n" );
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document.write( "a) Write the future value of this investment as a function of time.<BR>\n" );
document.write( "b) What is the value of this investment after 3 years?<BR>\n" );
document.write( "c) Algebraically calculate the numbers of years for the investment to be worth $12,000.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #563479 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=563479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  In General <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28t%29+=+P%281%2Br%2Fn%29%5E%28nt%29 ALIGN=MIDDLE  ALT=\"A%28t%29+=+P%281%2Br%2Fn%29%5E%28nt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "A = Accumulated Amount<BR>\n" );
document.write( "P= principal = <BR>\n" );
document.write( "r= annual rate = .<BR>\n" );
document.write( "n= periods per year = <BR>\n" );
document.write( "t= years =<BR>\n" );
document.write( ".......<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28t%29+=+4000%281%2B.053%2F4%29%5E%284t%29+=+4000%281.01325%29%5E%284t%29+ ALIGN=MIDDLE  ALT=\"A%28t%29+=+4000%281%2B.053%2F4%29%5E%284t%29+=+4000%281.01325%29%5E%284t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "......<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28t%29+=++4000%281.01325%29%5E%2812%29+ ALIGN=MIDDLE  ALT=\"A%28t%29+=++4000%281.01325%29%5E%2812%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = $4,684.46<BR>\n" );
document.write( ".......<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12000%2F4000+=%281.01325%29%5E%284t%29+ ALIGN=MIDDLE  ALT=\"12000%2F4000+=%281.01325%29%5E%284t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "log(3)/4log(1.01325) = t = 20.8656 years<BR>\n" );
document.write( "IN checking calculations round as directed </SPAN>\n" );
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