SOLUTION: In 1990, the life expectancy was 69.7 years. In 1995, it was 73.4 years. let E represent years t and number of years since 1990. E(t)=__t + __ and E(17)=___? round to the nearest

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Question 483669: In 1990, the life expectancy was 69.7 years. In 1995, it was 73.4 years. let E represent years t and number of years since 1990. E(t)=__t + __
and E(17)=___? round to the nearest tenth.
Answer by Tatiana_Stebko(1539) About Me  (Show Source):