document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=430080>Question 430080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let Q represent the mass of a quantity of<BR>\n" );
document.write( "carbon 14, whose half-life is 5437 years. The<BR>\n" );
document.write( "quantity present after t years is given by<BR>\n" );
document.write( "Q = 9 (1/2)t/5437<BR>\n" );
document.write( "Sketch the graph of the function over the<BR>\n" );
document.write( "interval t = 0 to t = 10000.<BR>\n" );
document.write( "a) Find the initial quantity.<BR>\n" );
document.write( "b) Find the quantity present after 2171 years. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298660 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=298660\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Q represent the mass of a quantity of<BR>\n" );
document.write( "carbon 14, whose half-life is 5437 years. The<BR>\n" );
document.write( "quantity present after t years is given by<BR>\n" );
document.write( "Q(t) = 9 (1/2)^(t/5437)<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Sketch the graph of the function over the<BR>\n" );
document.write( "interval t = 0 to t = 10000<BR>\n" );
document.write( "Note: This site's graphing cannot handle that <BR>\n" );
document.write( "large a domain.  It does not provide a true<BR>\n" );
document.write( "picture of what is happening to the function<BR>\n" );
document.write( "values as they decrease over 10,000 years.<BR>\n" );
document.write( "-----------------------------------.<BR>\n" );
document.write( "a) Find the initial quantity.<BR>\n" );
document.write( "Q(0) = 9*(1/2)^0 = 9 units of wt.<BR>\n" );
document.write( "=====================================<BR>\n" );
document.write( "b) Find the quantity present after 2171 years.<BR>\n" );
document.write( "Q(2171) = 9(1/2)^(2171/5437) = 6.82403.. units of wt.<BR>\n" );
document.write( "====<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );