(2) The function f(x) = -3.52lnx + 34.5 models the wives' weekly housework hours, f(x), on average, x years after 1964. Round your answers to the nearest hour. (a) Approximately how many hours did a wife spend on housework each week in 1964? (b) Approximately how many hours did a wife spend on housework each week in 2010?

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