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Mathematics 19 Online
OpenStudy (cicilybailey14):

Help! I medal! Which of the following relations is a function? A. (1, 4), (-2, 2), (9, 1), (-8, 2) B. (1, 4), (-2, 6), (1, 3), (-8, 2) C. (9, 1), (-2, 4), (1, 1), (9, 2) D. (1, 0), (-2, 3), (9, 1), (-2, 5)

OpenStudy (anonymous):

since I'm not suppoed to just give you the answer I found a website that explains functions, I hope this helps. http://www.mathsisfun.com/sets/function.html

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