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Which functions are one-to-one (injective)? 1. f :Z → Z defined by f(n) = 3n. %3D 1 2 3 2. g: {1,2,3} –→ {a,b, c} defined by g = a a 3. h: {1,2,3} → {1,2,3} defined as follows: 1 3 3

Which functions are one-to-one (injective)? 1. f :Z → Z defined by f(n) = 3n. %3D 1 2 3 2. g: {1,2,3} –→ {a,b, c} defined by g = a a 3. h: {1,2,3} → {1,2,3} defined as follows: 1 3 3

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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5. Which functions are one-to-one (injective)? 1. f : Z → Z defined by f(n) = 3n. %3D 1 2 3 2. g : {1,2,3} → {a,b, c} defined by g = а a 3. h: {1,2,3} → {1,2,3} defined as follows: 1 3 1 2 3
Transcribed Image Text:5. Which functions are one-to-one (injective)? 1. f : Z → Z defined by f(n) = 3n. %3D 1 2 3 2. g : {1,2,3} → {a,b, c} defined by g = а a 3. h: {1,2,3} → {1,2,3} defined as follows: 1 3 1 2 3
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