Sets

A __________ is an ordered collection of objects.

• Relation

• Function

• Set

• Proposition

The set O of odd positive integers less than 10 can be expressed by _____________

• {1, 2, 3}

• {1, 3, 5, 7, 9}

• {1, 2, 5, 9}

• {1, 5, 7, 9, 11}

Power set of empty set has exactly _________ subset.

• One

• Two

• Zero

• Three

What is the Cartesian product of A = {1, 2} and B = {a, b}?

• {(1, a), (1, b), (2, a), (b, b)}

• {(1, 1), (2, 2), (a, a), (b, b)}

• {(1, a), (2, a), (1, b), (2, b)}

• {(1, 1), (a, a), (2, a), (1, b)}

The Cartesian Product B x A is equal to the Cartesian product A x B.

• True

• False

What is the cardinality of the set of odd positive integers less than 10?

• 10

• 5

• 3

• 20

Which of the following two sets are equal?

• A = {1, 2} and B = {1}

• A = {1, 2} and B = {1, 2, 3}

• A = {1, 2, 3} and B = {2, 1, 3}

• A = {1, 2, 4} and B = {1, 2, 3}

The set of positive integers is _____________

• Infinite

• Finite

• Subset

• Empty

What is the Cardinality of the Power set of the set {0, 1, 2}?

• 8

• 6

• 7

• 9

The members of the set S = {x | x is the square of an integer and x < 100} is ________________

• {0, 2, 4, 5, 9, 58, 49, 56, 99, 12}

• {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}

• {1, 4, 9, 16, 25, 36, 64, 81, 85, 99}

• {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}