If R = {(1,1),(2,3),(4,5)}, then domain of the function is ?

1.	If R = {(1,1),(2,3),(4,5)}, then domain of the function is ?
A.	Range R = {2,3,4,5}
B.	Range R {1,1,4,5}
C.	Range R = {I,3,5}
D.	Range R {1,2,5}
Answer» D. Range R {1,2,5}

Discussion

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