Determine whether the relation is a function. Give the domain and range.{(3, 9), (9, -8), (6, 1), (-2, 9), (11, -8)}

A. function; domain: {-2, 3, 6, 9, 11}; range: {-8, 1, 9}
B. not a function; domain: {-8, 1, 9}; range: {-2, 3, 6, 9, 11}


Answer: A

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