Question: Let A = (a, b, c, d) and f = [ (a, 0), (c, 12), (d, 18), (b, 12) ]. Is f a function from

![(a, 0), (c, 12), (d, 18), (b, 12) ]. Is f a](https://s3.amazonaws.com/si.experts.images/answers/2024/06/6665f84ac3f44_7306665f84a8edff.jpg)
Let A = (a, b, c, d) and f = [ (a, 0), (c, 12), (d, 18), (b, 12) ]. Is f a function from A to B ? O No, because 12 is paired with two domain values. O Yes, because each element in the range is paired with a unique element in the domain. O Yes, because each element in the domain is paired with a unique element in the range. O No, because it doesn't pass the vertical line test
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