Determine whether the relation is a function. Give the domain and range.{(3, -2), (1, 1), (12, 5), (6, 11), (8, -5)}
A. not a function; domain: {1, 6, 12}; range: {-2, -5, 1, 5, 11}
B. function; domain: {1, 3, 6, 8, 12}; range: {-2, -5, 1, 5, 11}
Answer: B
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