Final answer:
The question relates to linear models (W(x) and M(x)) used to predict college enrollments for women and men in the U.S. years after 1984.
Step-by-step explanation:
The question provided involves interpreting linear models related to the enrollment of women and men in U.S. colleges over time, specifically the functions W(x) = 0.07x + 4.1 and M(x) = 0.01x + 3.9. These models allow us to calculate the expected enrollment in millions x years after 1984, indicating a use of linear regression to analyze and forecast data based on historical trends. Understanding these functions is a part of high school-level mathematics, typically covered under algebra or statistics courses.