3. Let X = {1,2, 3, 4}, Y = {a, b, c} and let f: XY. Prove by contradic- tion that f can't have an inverse function f-. %3D

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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3. Let X = {1,2, 3, 4}, Y = {a, b, c} and let f: XY. Prove by contradic-
tion that f can't have an inverse function f-.
Transcribed Image Text:3. Let X = {1,2, 3, 4}, Y = {a, b, c} and let f: XY. Prove by contradic- tion that f can't have an inverse function f-.
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Given that: X={1,2,3,4}and Y={a, b, c}and f:XY

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