Question: Determine whether each of these functions from { a, b, c, d } to itself is one-to-one and onto. a) f (a) = b ,

Determine whether each of these functions from {a, b, c, d} to itself is one-to-one and onto.

a) f (a) = b, f (b) = a, f (c) = c, f (d) = d

b) f (a) = b, f (b) = b, f (c) = d, f (d) = c P ^ q

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