Use the Graph to Find the Intervals on Which It $( - \infty , 0 )$

Multiple Choice

Use the graph to find the intervals on which it is increasing, decreasing, or constant.
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A) Decreasing on $( - \infty , 0 )$ ; increasing on $( 0 , \infty )$
B) Increasing on $( - \infty , \infty )$
C) Increasing on $( - \infty , 0 )$ ; decreasing on $( 0 , \infty )$
D) Decreasing on $( - \infty , \infty )$