6. Find the interval(s) over which the function is constant
please help me!!
A. (-infinity, 1)
B. (3, infinity)
C. (-infinity, -2) U (3, infinity)
D. (-infinity, -2)

6 Find the intervals over which the function is constant please help me A infinity 1 B 3 infinity C infinity 2 U 3 infinity D infinity 2 class=