What is the average rate of change of f(x), represented by the graph, over the interval [-1, 1]
a.2
b.3
c.5
d.6

In 2000 the average price of a football ticket was $48.28. during the next 4 years, the proce increased an average of 6% each year. a) write a model giving the average price (p), in dollars, of a ticket (t) in years after 2000.b) graph the model. estimate the year when the average ticket price was about $60