Use the Graph to Determine the Function's Domain and Range $( - \infty , - 3 ]$

Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
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A) domain: $( - \infty , - 3 ]$
range: $( - \infty , 2 ]$
B) domain: $( - \infty , \infty )$
range: $( - \infty , \infty )$
C) domain: $( - \infty , \infty )$
range: $( - \infty , 2 ]$
D) domain: $( - \infty , - 3 )$ or $( - 3 , \infty )$
range: $( - \infty , 2 )$ or $( 2 , \infty )$