Consider the function [math]. For this function there are four important intervals: [math], [math],[math], and [math] where [math], and [math] are the critical numbers and the function is not defined at [math].
Find [math]
and [math]
and [math]
For each of the following intervals, tell whether [math] is increasing (type in INC) or decreasing (type in DEC).
[math]:
[math]:
[math]:
[math]: