document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156550>Question 156550</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 1994, the life expectancy of males in a certain country was 69.6 years.  In 2001, it was 73.3 years.  Let E represent the life expectancy in year t and let t represent the number of years since 1994. \r<BR>\n" );
document.write( "\n" );
document.write( "The linear function E(t)that fits the data is,<BR>\n" );
document.write( "E(t)=   t+    <BR>\n" );
document.write( "(Round to the nearest tenth.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115439 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=115439\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In 1994, the life expectancy of males in a certain country was 69.6 years.<BR>\n" );
document.write( "In 2001, it was 73.3 years.<BR>\n" );
document.write( "Let E represent the life expectancy in year t and let t represent the number of years since 1994.<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "You have two points(0,69.6) (7.73.3)<BR>\n" );
document.write( "slope = (73.3-69.6)/(7-0) = 0.5286<BR>\n" );
document.write( "intercep = 69.6 <BR>\n" );
document.write( "The linear function E(t)that fits the data is,<BR>\n" );
document.write( "E(t)= 0.5296t + 69.6<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "(Round to the nearest tenth.)<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );