Posted by **Jenniah** on Sunday, September 12, 2010 at 6:12pm.

In 1992, the life expectancy of males in a certain country was 61.6 years. In 1995, it was 65.2 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990.

The linear function E(t) that fits the data is... E(t)=_____t + _______ (round to nearest 10th)

Use the function to predict the life expectancy of males in 2006.

E(14) = ___________ (round to nearest 10th)

I come up with:

E(t)=6t + 68.3--- for the 1st answer and

E(14) = 74.9

i.e. 74.88 rounded to nearest 10th

Is it right? if not please, please show and correct me!

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