1.) (1, 2) is the same as (2, 1).

a.)

True

b.)

False

2.)Consider the following sets:

A = { 1, 2, 3} B = { x, y }

Which of the following is in A x B?

a.)

(1, y)

b.)

(y,3)

c.)

(1,2)

d.)

(x, 2)

3.) {1, 2, 4} and {2, 5, 7} are disjoint.

a.)

True

b.)

False

4.)Define the sets A, B and as follows:

A = {1, 2, 6} B = {2, 3, 4} C = {x Z: 1 x 6}

Sets A and B form a partition of the set C.

a.)True

b.)False

5.)Define the set A as follows:

A = { 1, 2, 3, 4 }

|P(A)| = ?

a.)

4

b.)

8

c.)

32

d.)

16