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algebra

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in 1992, the life expectancy of males in a certain country was 67.5 years. In 1997, it was 69.9 years. let E represent the life expectancy in years t and let t represent the number os years since 1992. The linear function E(t) that fits the data is

  • algebra -

    slope = m = (69.9 - 67.5) / (97-92)

    e = m t + 67.5

  • algebra -

    slope is (69.9-67.5)/5

    E= slope*t+67.5

  • algebra -

    thank you

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