Question: The gender gap the following graph shows the ratio of women's earnings to men's from 1960 through 2000.
A. Write the rule for the function f giving the ratio of women's earnings to men's in year t, with t = 0 corresponding to 1960. Hint: the function f is defined piecewise and is linear over each of four subintervals.
B. In what decade(s) was the gender gap expanding? Shrinking?
C. Refer to part (b). How fast was the gender gap (the ratio/year) expanding or shrinking in each of these decades?