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    Increase in population of United States

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    129. Population of the United States. In 2006 the population
    of the United States was 300.2 million (U.S. Census
    Bureau, www.census.gov). If the population continues to
    grow at an annual rate of 1.05%, then the population in
    the year 2020 will be 300.2(1.0105)14 million.
    a) Evaluate the expression to find the predicted population
    in 2020 to the nearest tenth of a million people.
    b) Use the accompanying graph to estimate the year in
    which the population will reach 400 million people.

    130. Population of Mexico. In 2006 the population of
    Mexico was 107.4 million. If Mexico's population continues
    to grow at an annual rate of 1.43%, then the population
    in 2028 will be 107.4(1.0143)14 million.
    a) Find the predicted population in 2020 to the nearest
    tenth of a million people.
    b) Use the result of Exercise 129 to determine whether
    the United States or Mexico will have the greater
    increase in population between 2006 and 2020.

    Millions years since 2006
    450 40
    400 25
    300 15

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    Solution Preview

    129. Population of the United States. In 2006 the population of the United States was 300.2 million (U.S. Census Bureau, www.census.gov). If the population continues to grow at an annual rate of 1.05%, then the population in the year 2020 will be 300.2(1.0105)^14 million.

    a) Evaluate the expression to find the predicted population ...

    Solution Summary

    Evaluate the expression to find the predicted population in 2020 to the nearest tenth of a million people.

    $2.49

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