47. Unions & Complements

Front

Back

Front

How likely are you to NOT roll a 1 on a regular die? (Complement)

Back

Front

In a Venn diagram, how do you find the number of students who don’t play soccer?

Back

Subtract the number of students who play soccer from the total number of students.

Front

Let C={2, 5, 7, 10} and B={2, 4, 6, 8}. What is C U B?

Back

C U B = {2, 4, 5, 6, 7, 8, 10}.

Front

What does the union of two sets represent?

Back

The union of two sets represents all elements that are in either set.

Front

Define the complement of a set.

Back

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

Front

Back

Front

What is the formula for finding the union of two sets A and B?

Back

The formula is A U B = {x | x ∈ A or x ∈ B}.

Front

How do you represent the complement of a set A?

Back

The complement of set A is represented as A' or A^c.

Front

In a Venn diagram, what does the shaded area typically represent?

Back

The shaded area represents the union or intersection of sets, depending on the context.