The Percent of Mothers Who Work Outside the Home and Have

question 31

Multiple Choice

The percent of mothers who work outside the home and have children younger than age 6 yr is approximated by the function , , where t is measured in years, with corresponding to the beginning of 1980. At what rate was the percent of these mothers changing at the beginning of 2002? ​

• A) 1.07 %/yr
• B) 0.77 %/yr
• C) 0.73 %/yr
• D) 0.94 %/yr

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