Given set A={1,2,3,4}, B={1,2,3,4}, and the mapping f: A → B. where f={(1,1), (1,2), (2,1), (3,3), (4,4)}, which of the following are correct?The mapping f is a surjective function since every codomain is connected to a domainThe mapping f is a bijective function and it's inverse is a function.The mapping f is not a function since not every element in B is mapped by some domain elements.The mapping f is not a function since one element in the domain maps to multiple elements in the codomain

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Answered: Given set A={1,2,3,4}, B={1,2,3,4), and…

Given set A={1,2,3,4}, B={1,2,3,4), and the mapping f: A → B, where f={(1,1), (1,2), (2,1), (3,3), (4,4)}, which of the following are correct?

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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Representation of Polynomial

It is necessary for the polynomial expression that each expression consists of two parts:

Question

Given set A={1,2,3,4}, B={1,2,3,4}, and the mapping f: A → B. where f={(1,1), (1,2), (2,1), (3,3), (4,4)}, which of the following are correct?
The mapping f is a surjective function since every codomain is connected to a domain
The mapping f is a bijective function and it's inverse is a function.
The mapping f is not a function since not every element in B is mapped by some domain elements.
The mapping f is not a function since one element in the domain maps to multiple elements in the codomain

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