Question

http://roads.advancedacademics.com/contentserver/content/roadssection/277820/questions/4-exam4/graph_1.gif

What is the domain of this graph?
A. {-2, -1, 0, 1, 2, 3 }
B. {-2, -1, 0, 1, 3}
C. {-4, -1, 1, 3,}

Answer 1

The domain of a graph is the input, which is the x-values.
So the x-values of all the points in this graph are {-2, -1, 0, 1, 3}. Thus, the answer is B.