Determine the interval(s) on which the function is (strictly) increasing.

Write your answer as an interval or union of intervals.
Click on "None" if applicable.

points on graph:
(-6,1), (-3,6), (-1,2), (3,2), (4,4), (6,4)

Determine the intervals on which the function is strictly increasing Write your answer as an interval or union of intervals Click on None if applicable points o class=