5. Give an example of: 1. A function f: N→ N that is injective but not surjective. 2. A function f: N→ N that is surjective but not injective. 3. A function f : R → R that is bijective. 4. A relation that is not a function.
5. Give an example of: 1. A function f: N→ N that is injective but not surjective. 2. A function f: N→ N that is surjective but not injective. 3. A function f : R → R that is bijective. 4. A relation that is not a function.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter1: Expressions And Functions
Section1.7: Functions
Problem 60PFA
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