math 116

In 1991, the life expectancy of males in a certain country was 72.8 years. In 1995, it was 75.9 years. Let E represent the life expectancy in year T and let T represent the number of years since 1991.
The linear function E(t) that fit the data is E(t)=___T+___(Round to the nearest tenth.) Use the function to predict the life expectancy of males in 2003.
E(12)=___ (Round to the nearest tenth.)

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asked by Tanya
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