Determine the domain and range of the relation.{(9, 5), (11, -7), (6, -2), (6, -5)}
A. Domain: {6, 11, 9}; range: {-2, -7, 5, -5}
B. Domain: {6, 11, 9, 6}; range: {-2, -7, 5, -5}
C. Domain: {-2, -7, 5, -5}; range: {6, 11, 9}
D. Domain: {6, 11, 9, -6}; range: {-2, -7, 5, -5}
Answer: A
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