The following table gives the number of women age 16 years and older (in millions) in a country's civilian workforce for selected years from 1950 and projected to 2050. Complete parts (a) and (b) below.		Year	Women in the Workforce (millions)	Year	Women in the Workforce (millions)
		1950	18.3	2010	75.4
		1960	20.9	2015	78.9
		1970	31.5	2020	79.8
		1980	44.4	2030	81.2
		1990	55.7	2040	86.7
		2000	64.3	2050	90.6

a. Use x as the number of years past January 1st, 1950 to create a cubic model, y, using these data.

(Type integers or decimals rounded to five decimal places.)

b. During what year does the model indicate that the number of women in the work force will reach its maximum?

(Round down to the nearest year.)

The following table gives the number of women age 16 years and older (in millions) in a country's civilian workforce for selected years from 1950 and projected to 2050. Complete parts (a) and (b) below. Year 1950 1960 1970 1980 1990 2000 Women in the Workforce (millions) 18.3 20.9 31.5 44.4 55.7 64.3 Year 2010 2015 2020 2030 2040 2050 Women in the Workforce (millions) 75.4 78.9 79.8 81.2 86.7 90.6 a. Use x as the number of years past January 1st, 1950 to create a cubic model, y, using these data. + + X y=( ) x2 + (x + (x+ (O) (Type integers or decimals rounded to five decimal places.) b. During what year does the model indicate that the number of women in the work force will reach its maximum? (Round down to the nearest year.) The following table gives the number of women age 16 years and older (in millions) in a country's civilian workforce for selected years from 1950 and projected to 2050. Complete parts (a) and (b) below. Year 1950 1960 1970 1980 1990 2000 Women in the Workforce (millions) 18.3 20.9 31.5 44.4 55.7 64.3 Year 2010 2015 2020 2030 2040 2050 Women in the Workforce (millions) 75.4 78.9 79.8 81.2 86.7 90.6 a. Use x as the number of years past January 1st, 1950 to create a cubic model, y, using these data. + + X y=( ) x2 + (x + (x+ (O) (Type integers or decimals rounded to five decimal places.) b. During what year does the model indicate that the number of women in the work force will reach its maximum? (Round down to the nearest year.)