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Let f: Z -> Z be given by f(x) = 2 FLOOR(x/2). Then, ○ a. f is not one-to-one and f is not onto O b. f is one-to-one and f is not onto c. f is not one-to-one and f is onto ○ d. f is one-to-one and f is onto ○ e. None of the Given Choices

Let f: Z -> Z be given by f(x) = 2 FLOOR(x/2). Then, ○ a. f is not one-to-one and f is not onto O b. f is one-to-one and f is not onto c. f is not one-to-one and f is onto ○ d. f is one-to-one and f is onto ○ e. None of the Given Choices

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Let f: Z -> Z be given by f(x) = 2 FLOOR(x/2). Then, ○ a. f is not one-to-one and f is not onto O b. f is one-to-one and f is not onto c. f is not one-to-one and f is onto ○ d. f is one-to-one and f is onto ○ e. None of the Given Choices
Transcribed Image Text:Let f: Z -> Z be given by f(x) = 2 FLOOR(x/2). Then, ○ a. f is not one-to-one and f is not onto O b. f is one-to-one and f is not onto c. f is not one-to-one and f is onto ○ d. f is one-to-one and f is onto ○ e. None of the Given Choices
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