11. consider the following sets:U = {-5,–4,–3, – 2, –1,0,1,2,3,4,5},A = {x: x² = 25},B = {-5,0,1,2,3,4, 5}C = {x:x² – 5x + 6 = 0}.a. What is A O B?b. Which is equal to B\C?c. Which set is equal to (B\A)°?d. What is the cardinality of a countably infinite set?

Answered: Image /qna-images/answer/ffa7a4c1-58cd-4e53-abec-06212444e221.jpg

. consider the following sets: U = {-5,–4,–3, – 2, –1,0,1,2,3,4,5}, A = {x: x² = 25}, %3D CTY B = {-5,0,1,2,3,4, 5} C = {x:x² – 5x + 6 = 0}. a. What is A n B? b. Which is equal to B\C? c. Which set is equal to (B\A)°? d. What is the cardinality of a countably infinite set?

. consider the following sets: U = {-5,–4,–3, – 2, –1,0,1,2,3,4,5}, A = {x: x² = 25}, %3D CTY B = {-5,0,1,2,3,4, 5} C = {x:x² – 5x + 6 = 0}. a. What is A n B? b. Which is equal to B\C? c. Which set is equal to (B\A)°? d. What is the cardinality of a countably infinite set?

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

ChapterP: Prerequisites

SectionP.CT: Chapter Test

Problem 3CT

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11. consider the following sets:
U = {-5,–4,–3, – 2, –1,0,1,2,3,4,5},
A = {x: x² = 25},
B = {-5,0,1,2,3,4, 5}
C = {x:x² – 5x + 6 = 0}.
a. What is A O B?
b. Which is equal to B\C?
c. Which set is equal to (B\A)°?
d. What is the cardinality of a countably infinite set?

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