+0  
 
+1
115
1
avatar+36 

(-Infinity, 0)

(1, 2)

(0,1)

(2, infinity)

arota21  Feb 13, 2018
 #1
avatar+87556 
+2

Increasing on  (-inf, 0)  and (1,2)

 

cool cool cool

CPhill  Feb 13, 2018

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