Let \ f(x) = 16 - x^2.
Compute the average rate of change of f(x) on each interval.
(a) [0,2]
(b) [2,4]
(c) [0,4]
avg rate= (f(x2)-f(x1))/(x2-x1)
a. avg rate= (12-16)/(2)=-2
b. avg rate= (0-12)/2=-6
c( avg rate= (0-16)/4= -4