and let B = {1,2,3,4}. Provide examples injective surjective injective but not surjective surjective but not injective

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 58E
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Let A = {-2,0, 2} and let B = {1,2,3,4}. Provide examples of functions as described below.
(a) f: A B is injective
(b) g: B→ A is surjective
(c) h: N→ N is injective but not surjective
(d) p : N→ N is surjective but not injective
Transcribed Image Text:Let A = {-2,0, 2} and let B = {1,2,3,4}. Provide examples of functions as described below. (a) f: A B is injective (b) g: B→ A is surjective (c) h: N→ N is injective but not surjective (d) p : N→ N is surjective but not injective
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