Consider the function f(x)=x^2e^(5x). For this function there are three important intervals: (−∞,A], [A,B], and [B,∞) where A and B are the critical numbers. Find A and B.
A=
B=
For each of the following intervals, tell whether f(x) is increasing (enter INC ) or decreasing (enter DEC ).
(−∞,A]:
[A,B]:
[B,∞)