|. MULTIPLE CHOICES: Choose the letter of the correct answer.
1) It is a well-defined group of objects that share common characteristics.
A. Set
B. Subset
C. Universal Set
D. Null set
2) What is the symbol to be used to refer to an empty set?
A. { }
B. [ ]
C. U
D. ∩
3) What is the best description of a set?
A. A collection of not defined objects
B. A collection of not distinct objects
C. A well-defined collection of distinct objects
D. A well-defined collection of non-distinct objects
4) What is the cardinality of {10, 20, 30, …, 80}?
A. 8
B. 10
C. 6
D. 4
5) What is the cardinal number of an infinite set?
A. 0
B. 1
C. 100
D. Not defined
*For numbers 6 – 8, use the following:
A = {0, 1, 2, 3, 4}
B = {3, 5, 7, 8}
C = {0, 2, 6, 8}
6) Find A U B.
7) Find B ∩ C.
8) Find A – C.
Share
Verified answer
I. MULTIPLE CHOICES: Choose the letter of the correct answer.
1) It is a well-defined group of objects that share common characteristics.
A. Set
B. Subset
C. Universal Set
D. Null set
2) What is the symbol to be used to refer to an empty set?
A. { }
B. [ ]
C. U
D. ∩
3) What is the best description of a set?
A. A collection of not defined objects
B. A collection of not distinct objects
C. A well-defined collection of distinct objects
D. A well-defined collection of non-distinct objects
4) What is the cardinality of {10, 20, 30, …, 80}?
A. 8
B. 10
C. 6
D. 4
5) What is the cardinal number of an infinite set?
A. 0
B. 1
C. 100
D. Not defined
*For numbers 6 – 8, use the following:
A = {0, 1, 2, 3, 4}
B = {3, 5, 7, 8}
C = {0, 2, 6, 8}
6) Find A U B.
A U B = {0, 1, 2, 3, 4, 5, 7, 8}
7) Find B ∩ C.
B ∩ C = {8}
8) Find A – C.
A – C = {1, 3, 4, 6, 8}
Step-by-step explanation: