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.

a) Find the number (in millions) of women enrolled in U.S. colleges in the year 1989.
Answer: million women

b) Find the number (in millions) of men enrolled in U.S. colleges in the year 1989.
Answer: million men