Find the domain and range.{(12, 4), (-6, -4), (9, -5), (9, -1)}
A. D = {4, -4, -5, -1}; R = {12, -6, 9}
B. D = {12, -6, 9, -9}; R = {4, -4, -5, -1}
C. D = {12, -6, 9, 9}; R = {4, -4, -5, -1}
D. D = {12, -6, 9}; R = {4, -4, -5, -1}
Answer: D
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