Finite Math Midterm 2024 (V2)

Front

What is the complement of a union of two sets W and C, denoted as n(W ⋃ C)'?

Back

The complement of the union of two sets W and C, n(W ⋃ C)', represents the number of elements not in either set W or set C. In this case, the answer is 6.

Front

What symbol is used to represent a conjunction in logic?

Back

The symbol associated with a conjunction statement is ⋀.

Front

What does the shaded region represent if it includes A or B?

Back

The shaded region represents the logical statement A or B.

Front

How many senior boys play both football and wrestling?

Back

The number of senior boys who play both football and wrestling is 9.

Front

Which logical operation is represented by A or B?

Back

The logical operation represented by A or B is the disjunction of sets A and B.

Front

Define the term 'set union'.

Back

Set union is the operation that combines all elements from two sets, denoted as A ⋃ B.

Front

What is the symbol for set intersection?

Back

The symbol for set intersection is ⋂.

Front

Explain the concept of a 'complement' in set theory.

Back

The complement of a set A, denoted A', includes all elements not in set A.

Front

What does the statement 'A and B' represent in set notation?

Back

The statement 'A and B' represents the intersection of sets A and B, denoted as A ⋂ B.

Front

How do you calculate the number of elements in the union of two sets?

Back

To calculate the number of elements in the union of two sets A and B, use the formula: n(A ⋃ B) = n(A) + n(B) - n(A ⋂ B).