SOLUTION: I need help with a word problem. In 1994, the life expectancy of males in a certain country was 65.5 years. In 1998, it was 69.0 years. Let E represent the life expectancy in year

Question 451212: I need help with a word problem. In 1994, the life expectancy of males in a certain country was 65.5 years. In 1998, it was 69.0 years. Let E represent the life expectancy in year t and let t represent the number of years since 1994.
E(t)= _t+_
E(9)=
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Let E represent the life expectancy in year t 

and let t represent the number of years since 1994.

(4, 69)

(0, 65.5) m =  3.5/4 =  .875  

E(t)= .875t+ 65.5

E(8)= .875*8  + 65.5 = 7 +  65.5 = 72.5 

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