re following chart shows the number of NCAA men's college basketball teams in the United States during the period 200020 10. Men's butane\" teams 131713171310 012345678910 21300 2010 Year (0 G) (a) On average, how fast was the number of men's college basketball teams growing over the 4year period beginning in 2004? X teams per year (b) By inspecting the chart, determine whether the 3year average rates of change increased or decreased beginning in 2005. O The 3year average rates of change increased. 9 The 3*year average rates of change decreased