Age at First Marriage The table on the following page gives the U.S. median age at first marriage for selected years from 1890 to 2009.
a. If the function f is the median age at first marriage for men, find f(1890) and f(2004).
b. If the function g is the median age at first marriage for women, find g(1940) and g(2000).
c. For what value of x is f(x) = 24.7? Write the result in a sentence.
d. Did f(x) increase or decrease from 1960 to 2009?
Median Age at First Marriage | ||
Year | Men | Women |
1890 | 26.1 | 22.0 |
1900 | 25.9 | 21.9 |
1910 | 25.1 | 21.6 |
1920 | 24.6 | 21.2 |
1930 | 24.3 | 21.3 |
1940 | 24.3 | 21.5 |
1950 | 22.8 | 20.3 |
1960 | 22.8 | 20.3 |
1970 | 23.2 | 20.8 |
1980 | 24.7 | 22.0 |
1990 | 26.1 | 23.9 |
2000 | 26.8 | 25.1 |
2004 | 27.1 | 25.8 |
2009 | 28.1 | 25.9 |
(Source: U.S. Census Bureau)
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