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  • 5 years ago

in 1990 the life expectancy of males in a certain country was 67.2 years in 1994 it was 70.9 years. let e represent the life expectancy in year t and let t represent the number of years since 1990 e(t)= t+ use the function to predict the life expextancy of males in 2007 e(17)=

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  1. anonymous
    • 5 years ago
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    let the relation be linear so e(t)=.925t++67.2 so for 1990 t=0 and e(0)=67.2 for 1994 t=4 e(4)=.925*4+67.2=70.9 e(17)=17*.925+67.2=82.925

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