According to a study conducted by Rutgers University, the median age of women in

Question

According to a study conducted by Rutgers University, the median age of women in the U.S. at first marriage is approximated by the function f(t) = ?0.083t^3 + 0.6t^2 + 0.18t + 20.1 (0 less than equal to t less than equal to 5) where t is measured in decades and t = 0 corresponds to the beginning of 1960 + (a) What was the median age of women at first marriage at the beginning of 1960? yr What was the median age of women at first marriage at the beginning of the year 1990? yr What was the median age of women at first marriage at the beginning of the year 2010? yr (b) When was the median age of women at first marriage changing most rapidly over the time period under consideration? (Round your answer to two decimal places.) t = decades

Explanation / Answer

A) 20.1

28.281

46.375

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