Define the sets A, B, C, D, and E as follows: A = {x € R: x < -2} B = {x € R: x > 2} C = {x € R: |x| < 2} D = {x € R: |x| < 2} E = {x € R: x< -2} Use the definitions for A, B, C, D, and E to answer the question. Do the sets B, D, and E form a partition of R? If not, which condition of a partition is not satisfied? No. BUDUE + R. No. DNE + Ø because -2 € D N E. No. B n D + Ø because 2 EDNE. Yes. B n D = Ø, DNE = Ø, and E n B = Ø.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.2: Solving Inequalities
Problem 62WE
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Define the sets A, B, C, D, and E as follows:
А 3D (x € R: x < -2}
в %3D {x € R: х> 2}
C = {x € R: |x| < 2}
D = {x € R: |x| < 2}
E = {x € R: x < -2}
Use the definitions for A, B, C, D, and E to answer the question.
Do the sets B, D, and E form a partition of R? If not, which condition of a partition is not
satisfied?
O No. B U DUE + R.
No. D N E # Ø because -2 E DN E.
O No. B n D + Ø because 2 € D n E.
Yes.
B N D = Ø, D NE = Ø, and E n B = Ø.
The sets B, D, and E are all non-empty sets of real numbers.
Transcribed Image Text:Define the sets A, B, C, D, and E as follows: А 3D (x € R: x < -2} в %3D {x € R: х> 2} C = {x € R: |x| < 2} D = {x € R: |x| < 2} E = {x € R: x < -2} Use the definitions for A, B, C, D, and E to answer the question. Do the sets B, D, and E form a partition of R? If not, which condition of a partition is not satisfied? O No. B U DUE + R. No. D N E # Ø because -2 E DN E. O No. B n D + Ø because 2 € D n E. Yes. B N D = Ø, D NE = Ø, and E n B = Ø. The sets B, D, and E are all non-empty sets of real numbers.
No. BUD U E + R.
No. DN E # Ø because -2 E D N E.
No. B N D # Ø because 2 € D N E.
Yes.
B n D = Ø, D NE = Ø, and E n B = Ø.
The sets B, D, and E are all non-empty sets of real numbers.
BUDUE = R.
Transcribed Image Text:No. BUD U E + R. No. DN E # Ø because -2 E D N E. No. B N D # Ø because 2 € D N E. Yes. B n D = Ø, D NE = Ø, and E n B = Ø. The sets B, D, and E are all non-empty sets of real numbers. BUDUE = R.
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