How many different onto functions f: S→ T can be defined that map the domain S = {1, 2, 3,..., 10} to the range T = {11, 12, 13,..., 20}? Enter your answer in the box below. Answer=
How many different onto functions f: S→ T can be defined that map the domain S = {1, 2, 3,..., 10} to the range T = {11, 12, 13,..., 20}? Enter your answer in the box below. Answer=
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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Here a function f: S -> T is a mapping between two sets, called the domain and range. An onto function, also known as a
surjective function, is a function where every element in the range set is mapped to by at least one element in the domain
set. In other words, every element in the range has a pre-image in the domain. In this case, the domain set S is defined as
{1,2,3,....,10} and the range set T is defined as {11,12,13,....,20}.
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