The bar graph shows the average number of hours per week that U.S. wives and husbands engaged in housework in six selected years. Use this information to solve Exercises 115–116.The function f(x) = 1.8 ln x + 3.42 models the husbands’ weekly housework hours, f(x), x years after 1964.

a. Use the function to find the number of weekly housework hours for husbands in 2010. Round to the nearest hour. Does this function value overestimate or underestimate the number of hours displayed by the graph? By how much?

b. Use the function to project husbands’ weekly housework hours in 2025. Round to the nearest hour.

Transcribed Image Text:

40 35 Housework Hours per week ● 20 15 5 34 Husbands' and Wives' Weekly Housework Hours 27 6 24 Wives Husbands 9 23 10 1965 1975 1985 1995 Year 21 10 ... 20 11 2005 2010 *******