Find the domain and range of the relation.{(7, 1), (7, -9), (7, -1)}
A. domain: {7}; range: {-9, -1, 1}
B. domain: {7}; range: {-9, -1, 1, 7}
C. domain: {-9, -1, 1}; range: {7}
D. domain: {1, 7}; range: {-9, -1}
Answer: A
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What will be an ideal response?
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