Consider the function [math]. For this function there are two important intervals: [math] and [math] where the function is not defined at [math].
Find [math]
For each of the following intervals, tell whether [math] is increasing (type in INC) or decreasing (type in DEC).
[math]:
[math]
Note that this function has no inflection points, but we can still consider its concavity. For each of the following intervals, tell whether [math] is concave up (type in CU) or concave down (type in CD).
[math]:
[math]