Identify the Intervals Where the Function Is Changing as Requested $( 3 , \infty )$

Multiple Choice

Identify the intervals where the function is changing as requested.
-Constant

A) $( 3 , \infty )$
B) $( - 1,0 )$
C) $( - \infty , 0 )$
D) $( - \infty , - 1 )$ or $( 3 , \infty )$