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

Multiple Choice

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