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A = {a, b, c, d} X = {1, 2, 3, 4} Each choice defines a function whose domain is A and whose target is X. Select the function that has a well-defined inverse. O a.f = {(a, 3), (b, 4), (c, 3), (d, 4)} O b.f = {(a, 3), (b, 3), (c, 3), (d, 3)} О с. f3 (а, 3), (b, 4), (с, 2), (d, 1)} Od.f%3 ((a, 3), (b, 4), (с, 2). (d, 4)}

A = {a, b, c, d} X = {1, 2, 3, 4} Each choice defines a function whose domain is A and whose target is X. Select the function that has a well-defined inverse. O a.f = {(a, 3), (b, 4), (c, 3), (d, 4)} O b.f = {(a, 3), (b, 3), (c, 3), (d, 3)} О с. f3 (а, 3), (b, 4), (с, 2), (d, 1)} Od.f%3 ((a, 3), (b, 4), (с, 2). (d, 4)}

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A = {a, b, c, d} X = {1, 2, 3, 4} Each choice defines a function whose domain is A and whose target is X. Select the function that has a well-defined inverse. а.f3 (а, 3), (b, 4), (с., 3), (d, 4)} O b.f%3{(a, 3). (b, 3). (с, 3), (d, 3)} О с.f3D (а, 3). (b, 4). (с, 2), (d, 1)} O d.f%3{(a, 3), (b, 4). (с, 2), (d, 4)}
Transcribed Image Text:A = {a, b, c, d} X = {1, 2, 3, 4} Each choice defines a function whose domain is A and whose target is X. Select the function that has a well-defined inverse. а.f3 (а, 3), (b, 4), (с., 3), (d, 4)} O b.f%3{(a, 3). (b, 3). (с, 3), (d, 3)} О с.f3D (а, 3). (b, 4). (с, 2), (d, 1)} O d.f%3{(a, 3), (b, 4). (с, 2), (d, 4)}
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