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Mathematics 18 Online
OpenStudy (anonymous):

HELP! not sure if I answered right! Choose all answers that are correct. Which relations are functions? Choose all answers that are correct A: x –1 1 3 3 y 2 3 4 5 B: https://static.k12.com/calms_media/media/1519500_1520000/1519820/1/85d742591e72ec63386a74e16c2ac0a82fdadee1/MS_IMC-140828-106023.jpg C: {(−2, 4), (−1, 2), (1, 2), (3, 5)} D: https://static.k12.com/calms_media/media/1519500_1520000/1519821/1/e1a0ce49653470ed700d1ce979324c70759ed447/MS_IMC-140828-106024.jpg I'm pretty sure it's C, but I'm not 100% sure. Please help!

OpenStudy (anonymous):

I think it's C and D

OpenStudy (amistre64):

how would you define a function?

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