b. Determine whether each of these functions from {a, b, c, d} to itself is one-to-one. i. f(a) = b, f(b) = a, f(c) = c, f(d) = d ii. f(a) = b, f(b) = b, f(c) = d, f(d) = c %3D ii. f(a) = d, f(b) = b, f(c) = c, f(d) = d %3D

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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b. Determine whether each of these functions from {a, b, c, d} to itself is one-to-one.
i. f(a) = b, f(b) = a, f(c) = c, f(d) = d
ii. f(a) = b, f(b) = b, f(c) = d, f(d) = c
%3D
ii. f(a) = d, f(b) = b, f(c) = c, f(d) = d
%3D
Transcribed Image Text:b. Determine whether each of these functions from {a, b, c, d} to itself is one-to-one. i. f(a) = b, f(b) = a, f(c) = c, f(d) = d ii. f(a) = b, f(b) = b, f(c) = d, f(d) = c %3D ii. f(a) = d, f(b) = b, f(c) = c, f(d) = d %3D
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