Consider a function f : S→T defined by f(n) = n², where the domain is the set of consecutive integers S = {-7,..., -2, -1, 0, 1, 2, ..., 7} and the range is the set of consecutive squares T = {-64,..., -9,–4, −1, 0, 1, 4, 9, . . . ,64}. Which one of the following choices correct describes f? Oone-to-one, but NOT onto Oonto, but NOT one-to-one O one-to-one and onto Oneither one-to-one nor onto Onone of these

Consider a function f : S→T defined by f(n) = n², where the domain is the set of consecutive integers S = {-7,..., -2, -1, 0, 1, 2, ..., 7} and the range is the set of consecutive squares T = {-64,..., -9,–4, −1, 0, 1, 4, 9, . . . ,64}. Which one of the following choices correct describes f? Oone-to-one, but NOT onto Oonto, but NOT one-to-one O one-to-one and onto Oneither one-to-one nor onto Onone of these

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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Question

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Consider a function f : S→ T defined by f(n) = n², where the domain is the set of consecutive integers
S = {-7,..., -2, -1, 0, 1, 2, ..., 7}
and the range is the set of consecutive squares
T = {-64,...,-9, -4,-1,0, 1, 4, 9, ..., 64}.
Which one of the following choices correct describes f?
O one-to-one, but NOT onto
Oonto, but NOT one-to-one
O one-to-one and onto
O neither one-to-one nor onto
O none of these

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