The function 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. Find the number (in millions) of women enrolled in U.S. colleges in the year 1998. Find the number (in millions) of men enrolled in U.S. colleges in the year 1998.