Determine the Intervals of the Domain for Which the Function $( - \infty , 3 ]$

Multiple Choice

Determine the intervals of the domain for which the function is increasing, decreasing, and constant.
-

A) Increasing $( - \infty , 3 ]$ ; Decreasing $[ - 3 , \infty )$ ; Constant $[ - 3,3 ]$
B) Increasing $[ 3 , \infty )$ ; Decreasing $[ - 3 , \infty )$ ; Constant $( - 3,3 )$
C) Increasing $[ 3 , \infty )$ ; Decreasing $( - \infty , - 3 ]$ ; Constant $[ - 3,3 ]$
D) Increasing $( - \infty , 3 ]$ ; Decreasing $( - \infty , - 3 ]$ ; Constant $( - 3,3 )$