Find the average rate of change of f(x) = x³ – 9x + 9 over the following intervals. (a) From -6 to -3 (b) From -1 to 1 (c) From 1 to 4 So,
(a) The average rate of change from -6 to -3 is ....
(b) The average rate of change from -1 to 1 is .... (c) The average rate of change from 1 to 4 is ....