W(x) = 0.07x + 4.1 models the number of women, W(x), in millions, enrolled in U.S. colleges x years after 1984. The function M(x) = 0.01x + 3.9 models the number of men, M(x), in millions, enrolled in U.S. colleges x years after 1984. a) Find the number (in millions) of women enrolled in U.S. colleges in the year 1997. Answer: million women b) Find the number (in millions) of men enrolled in U.S. colleges in the year 1997. Answer: million men