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In 1991, the life expectancy of males in a certain country was 70.4 years. In 1996, it was 72.9 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991. What is the linear function E(t) that fits the data?

  • math -

    if you type something like
    life expectancy
    into the search window at the top right, you will find all kinds of problems almost verbatim like yours.

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