Which set of ordered pairs represent functions from A to B? Explain.

A = {a, b, c} and B = {0, 1, 2, 3}

a. { (a, 1), (c, 2), (c, 3), (b, 3) }

b. { (a, 1), (b, 2), (c, 3) }

c. { (1, a), (0, a), (2, c), (3, b) }

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