#1**+1 **

We go from left to right

Increasing - intervals on x where the function "rises" from left to right = (-inf, -2) and (3, inf )

Decreasing - intervals on x where the function "falls" from left to right = (1, 3)

Constant - intervals where the function neither rises or falls = (-2 , 1 )

CPhill Mar 18, 2019