In 1991, the life expectancy of males in ceetain country's was 73.3 years. n 1996, it was 75.8 years. Let E represent the life expectancy in year t and let t reprsent the number of years since 1991.

Question

The linear fuction E(t) that fits the data is E(t)= ______ t + ______.
Round t the nearest tenth.
Use the fnction to predict the life expectancy of males in E(14).
Round to the nearest tenth.

Answer 1

A very similar question was asked two days ago. Work this one the same way. In this case, life expectancy increases 0.5 years per year.

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