The graph shows the number of associate's degrees earned (in thousands) in the United States from 2000 through $2008 . M(x)$ gives the number of degrees earned by males, $F(x)$ gives the number earned by females, and $T(x)$ gives the total number for both groups. Use the graph in Exercises $15-18$.
CAN'T COPY THE GRAPH
Use the slopes of the line segments to decide in which period $(2000-2004$ or $2004-2008$ ) the total number of associate's degrees earned increased more rapidly.