6. If U = R, h(x) : x² + 7x + 12 = 0, then T, = [-4, –3].

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.1: Sets And Geometry
Problem 11E: For the sets gives in Exercise 9, is there a distributive relationship for union with respect with...
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answer the following true or false. pls answer number 6,7,8,9,10

1. If U is a universal set, then U' does not exist.
2. Let C and D be subsets of a universal set U, then (CU D) C (Cn D).
3. Using the sets in number 2, (C n D) C (CAD).
4. The power set of a set can be empty.
5. C =U\C
6. If U = R, h(x) : x² + 7x + 12 = 0, then T, = [-4, –3].
7. There exists a real number that has a multiplicative inverse.
8. All real numbers has a multiplicative inverse.
9. The power set of Ø is empty.
10. If it is true that "Vx then p(x)", then "x such that p(x)" can be false.
Transcribed Image Text:1. If U is a universal set, then U' does not exist. 2. Let C and D be subsets of a universal set U, then (CU D) C (Cn D). 3. Using the sets in number 2, (C n D) C (CAD). 4. The power set of a set can be empty. 5. C =U\C 6. If U = R, h(x) : x² + 7x + 12 = 0, then T, = [-4, –3]. 7. There exists a real number that has a multiplicative inverse. 8. All real numbers has a multiplicative inverse. 9. The power set of Ø is empty. 10. If it is true that "Vx then p(x)", then "x such that p(x)" can be false.
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