Identify the domain and range of the relation.{(4, -7), (6, 9), (-9, -2), (8, -9)}
A. D = {4, -9, 8, 6}; R = {-7, -7, -2, -9, 9}
B. D = {4, -9, 8, 6}; R = {-7, 7, -2, -9, 9}
C. D = {4, -9, 8, 6}; R = {-7, -2, -9, 9}
D. D = {-7, -2, -9, 9}; R = {4, -9, 8, 6}
Answer: C
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