Determine whether each of these functions from {a, b, c,
Chapter 2, Problem 2.3.10(choose chapter or problem)
Determine whether each of these functions from {a, b, c, d} to itself is one-to-one. 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 c) f(a) = d, f(b) = b, f(c) = c, f(d) = d
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