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OpenStudy (anonymous):
in 1993 the life expectancy of males in a certain country was 70.8 years in 1997 it was 73.3 years let E represent the life expectancy in year t and let t represent the number of years since 1991 The linear function that fits the data is: E(t) = --t + - round to the nearest tenth use the function to predict the life expectancy of males in 2007 E(14) = -- round to nearest tenth
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