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3. Let f: ZXZ → Z be the function f(x, y) = (x² + y²) (4) a. What is the domain of f? b. What is the range of f?

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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3. Let f: ZXZ → Z be the function f(x, y) = (x² + y²) (4)
a. What is the domain of f?
b. What is the range of f?

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