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1.Identify the domain and range of the following relation.

{(3,7),(3,8),(3,-2),(3,4),(3,1)}
A.Domain:{3}
Range:{-2,1,4,7,8}
B.Domain:{-2,1,4,7,8}
Range:{3}
C.Domain:{all real numbers}
Range:{all real numbers}
D.Domain:O/
Range:O/

2 answers

You forgot to indicate your choice.

What does O/ mean? I have never seen that.
it means not a real number i think