A set can be heterogeneous (i.e., it can have different kinds of elements in it)

 

Question 1

1 / 1 pts

A set can be heterogeneous (i.e., it can have different kinds of elements in it).

Correct!

 

True

 

 

False

 

 

Question 2

1 / 1 pts

If set A is a subset of set B, then every element of A is also a member of B.

Correct!

 

True

 

 

False

 

 

Question 3

1 / 1 pts

Correct!

 

True

 

 

False

 

 

Question 4

1 / 1 pts

Correct!

 

True

 

 

False

 

 

Question 5

1 / 1 pts

Ø⊆X⊆Ωfor any setX.

Correct!

 

True

 

 

False

 

 

Question 6

1 / 1 pts

 

True

 

Correct!

 

False

 

 

Question 7

1 / 1 pts

 

True

 

Correct!

 

False

 

 

Question 8

1 / 1 pts

 

True

 

Correct!

 

False

 

 

Question 9

1 / 1 pts

Correct!

 

True

 

 

False

 

 

Question 10

1 / 1 pts

 

True

 

Correct!

 

False

 

 

Question 11

1 / 1 pts

{(bill,ted),(ted,bill)}={(ted,bill),(bill,ted)}

Correct!

 

True

 

 

False

 

 

Question 12

1 / 1 pts

Which of the following are elements of  {Gold, Silver, Bronze}×{Phelps, Bolt}?

 

Gold

 

 

Bolt

 

 

{ Gold, Silver, Bronze }

 

 

( Gold, Silver, Bronze )

 

 

( Phelps, Bolt )

 

Correct!

 

( Gold, Bolt )

 

Correct!

 

( Silver, Phelps )

 

 

 

Question 13

1 / 1 pts

What’s  ?

 

{ (Tweedledee, Tweedledum), (Tweedledum, Tweedledee) }

 

 

{  , Tweedledee, Tweedledum }

Correct!

 

{ { Tweedledum, Tweedledee }, { Tweedledum }, , { Tweedledee } }

 

(Tweedledee, Tweedledum)

 

 

Question 14

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D∪C?

Correct!

 

{ Pikachu, Charmander, Piplup }

 

 

{ Pikachu }

 

 

( Pikachu, Piplup )

 

 

 

Question 15

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D∩C?

 

{ Pikachu, Piplup }

 

 

Pikachu

 

Correct!

 

{ Pikachu }

 

 

{ Pikachu, Charmander, Piplup }

 

 

Question 16

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  D−C?

 

{ Pikachu, Piplup }

 

Correct!

 

{ Charmander }

 

 

Piplup

 

 

Pikachu

 

 

Question 17

1 / 1 pts

LetDbe the set \{ Pikachu, Charmander \}, andCbe the set \{ Pikachu, Piplup \}.

What’s  C−D?

 

Piplup

 

 

{ Piplup, Charmander }

 

 

( Piplup, Charmander )

 

 

Charmander

 

Correct!

 

{ Piplup }

 

 

Question 18

1 / 1 pts

Let  D be the set  {Grumpy, Happy, Sneezy, Sleepy, Dopey, Bashful, Doc}.

Is {{Bashful},Ø,{Dopey, Grumpy, Sneezy, Sleepy, Happy},{Doc}}a partition of  D?

Correct Answer

 

Yes

 

You Answered

 

No

 

 

Question 19

1 / 1 pts

Let  D be the set 

Is {{Happy, Doc},{Grumpy, Sneezy, Happy},{Bashful},{Dopey, Sleepy}}a partition of  D?

 

Yes

 

!

No

 

 

Question 20

1 / 1 pts

Let  D be the set  {Grumpy, Happy, Sneezy, Sleepy, Dopey, Bashful, Doc}.

Is {{Dopey},{Sleepy},{Sneezy},{Doc},{Bashful},{Happy}} a partition of  D?

 

Yes

 

Correct!

 

No