+0  
 
+1
1579
1
avatar+491 

On which intervals is the function increasing?

indicate intervals on the x axis using the ray tool for intervals that extend to infinity and the segment tool for bounded intervals.

Graph a ray by selecting the endpoint followed by a point on the ray. Graph a segment by selecting an endpoint followed by the other endpoint

 Apr 10, 2019
 #1
avatar+129852 
+1

Increasing on (-inf, -6) , ( -3, 2)  and ( 6, inf)

 

Decreasing on  ( -6, -3) and ( 2, 6)

 

 

 

cool  cool  cool

 Apr 10, 2019

1 Online Users