Answer:
The correct option is 3.
Step-by-step explanation:
The set of inputs is called domain and the set of outputs is called range.
If a relation is defined as
[tex]R=\{(x,y)|x\in R,y\in R\}[/tex]
Then the domain of the relation is [tex]D=\{x|x\in R\}[/tex] and range of the relation is [tex]R=\{y|y\in R\}[/tex]
From the given graph it is clear that the coordinate pairs of the relation are (-5,0), (-4,1), (-3,4), (1,-2), (2,4),(5,-3).
The relation defined by the graph is
R = {(-5,0), (-4,1), (-3,4), (1,-2), (2,4),(5,-3)}
The domain of the relation is
Domain: {–5, –4, –3, 1, 2, 5}
Therefore the correct option is 3.