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3. Consider a function: f: AB where A, B are sets. Which of the following is true: a) if |A| > |B| then ƒ is injective b) if |A| > |B| then f is surjective c) if |A| < |B| then ƒ is not injective d) if |A| < |B| then ƒ is not surjective

3. Consider a function: f: AB where A, B are sets. Which of the following is true: a) if |A| > |B| then ƒ is injective b) if |A| > |B| then f is surjective c) if |A| < |B| then ƒ is not injective d) if |A| < |B| then ƒ is not surjective

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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3. Consider a function: f: AB where A, B are sets. Which of the following is true: a) if |A| > |B| then ƒ is injective b) if |A| > |B| then f is surjective c) if |A| < |B| then ƒ is not injective d) if |A| < |B| then ƒ is not surjective
Transcribed Image Text:3. Consider a function: f: AB where A, B are sets. Which of the following is true: a) if |A| > |B| then ƒ is injective b) if |A| > |B| then f is surjective c) if |A| < |B| then ƒ is not injective d) if |A| < |B| then ƒ is not surjective
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