document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146680>Question 146680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 1993, the life expectancy of males in a certain country was 71.3 years. In 1999, it was 73.7 years. Let E represent the life expectancy in years t and let t represent the number of yers since 1993.\r<BR>\n" );
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document.write( "The linear function E(t) that fits the data is<BR>\n" );
document.write( "   E(t)=_t+_ (round to the nearest tenth)<BR>\n" );
document.write( "Use the function to predict the life expectancy of males in 2004.<BR>\n" );
document.write( "   E(11)= (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 #107109 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=107109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In 1993, the life expectancy of males in a certain country was 71.3 years. <BR>\n" );
document.write( "In 1999, it was 73.7 years. <BR>\n" );
document.write( "Let E represent the life expectancy in years t and let t represent the number of years since 1993.<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "E(1993)= 71.3 is the y-intercept<BR>\n" );
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document.write( "Get the slope from (0,71.3) and (6,73.7)<BR>\n" );
document.write( "m = (2.4/6) = 0.4<BR>\n" );
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document.write( "The linear function E(t) that fits the data is E(t)=0.4_t+71.3_ (round to the nearest tenth)<BR>\n" );
document.write( "Use the function to predict the life expectancy of males in 2004.<BR>\n" );
document.write( "E(11)= 0.04*11+71.3 = 75.7 (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" );
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