document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=456831>Question 456831</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 1995, the life expectancy of males in a certain country was 73.8 years. In 2001, it was 77.1 years. Let E represent the life expectancy in year t and let t represent the number of years since 1995. The linear function E(t) thats fits the data is E(t)= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313464 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=313464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In 1995, the life expectancy of males in a certain country was 73.8 years. In 2001, it was 77.1 years. Let E represent the life expectancy in year t and let t represent the number of years since 1995. <BR>\n" );
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document.write( "Two points: (0,73.8), (6,77.1)<BR>\n" );
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document.write( "intercept = 73.8<BR>\n" );
document.write( "slope = (77.1-73.8)/6 = 0.55<BR>\n" );
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document.write( "The linear function E(t) thats fits the data is E(t)= 0.55t+73.8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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