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Let f: Z -> Z be given by f(x) = x^2 + 1. Let P(S) denote the power set for a set S. Then, | P(f^(-1)(1) UNION f^(−1)(2) UNION f^(−1)(3)) | is equal to O a. 8 O b. 16 O c. 2 O d. None of the Given Choices e. 4

Let f: Z -> Z be given by f(x) = x^2 + 1. Let P(S) denote the power set for a set S. Then, | P(f^(-1)(1) UNION f^(−1)(2) UNION f^(−1)(3)) | is equal to O a. 8 O b. 16 O c. 2 O d. None of the Given Choices e. 4

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
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Let f: Z -> Z be given by f(x) = x^2 + 1. Let P(S) denote the power set for a set S. Then, | P(f^(-1)(1) UNION f^(−1)(2) UNION f^(−1)(3)) | is equal to O a. 8 O b. 16 O c. 2 O d. None of the Given Choices e. 4
Transcribed Image Text:Let f: Z -> Z be given by f(x) = x^2 + 1. Let P(S) denote the power set for a set S. Then, | P(f^(-1)(1) UNION f^(−1)(2) UNION f^(−1)(3)) | is equal to O a. 8 O b. 16 O c. 2 O d. None of the Given Choices e. 4
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