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Posted by **Carey** on Saturday, August 27, 2011 at 4:05pm.

the Linear function E (T) that fits the data is E(t)=_____T+______

use the function to predict the life expectancy of males in 2008

E(17)=___________________

round to the nearest tenth

- math -
**Martin**, Sunday, August 28, 2011 at 3:07amAt T=0, which is when we're in 1991, we want E(0)=73.7.

The slope in front of T is found as follow :

(76.9 - 73.7) divided by (1997-1991)

= 0.53333~ = 8/15

This mean thay the life expectancy would increase by 8/15th of a year every year.

In short, E(T) = 8/15 x T + 73.7

And E(17) = 8/15 x 17 + 73.7 which you can calculate.

- math -
**N/A**, Wednesday, January 18, 2012 at 10:30pmclose, but not quite.

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