MMW-Long Quiz 1 (9:00-12:00)

These are organized collection of objects.

• Sets

• Functions

• Relation

• Binary Operation

Sets can be represented through...

(Choose at least 2)

• Set-builder notation

• Roster Form

• Standard Form

• Union Form

A set is well-defined if it...

• is possible to decide whether an object belongs to a given set or not.

• can be written in roster form.

• can be written in set-builder notation.

• is not in its standard form.

Which of the following is an example of a well-defined set?

• D = {x | x ∈ R}

• {0, 2, 4, 6, 8}

• R = (1, 2, 3, 4, 5)

• b = { }

A type of set that contains only one element

• Empty

• Unit

• Finite

• Infinite

When two sets have equal number of elements, they are said to be...

• finite

• infinite

• equal

• equivalent

Which of the following is an example of a unit set?

• A = {argel}

• A = {a,r,g,e,l}

• A = {x > 3}

• A = {-1, 1}

Which of the following pair of sets are equal?

• A = {d,u,s,t,y} & B = {s, t, u, d,y}

• A = {1, 2, 3, 4, 5} & B = {5, 4, 2, 1}

• A = {n, i, g, h, t} & B = {t, h, i, n, g, s}

• A = {0, 2, 4, 6} & B = {6, 2, 0, -4}

If A = {3, 4, 5} and B = {4, 5, 6}, then A U B is…

• A U B = {3}

• A U B = {3, 4, 5, 6}

• A U B = {4, 5}

• A U B = { }

If A = {3, 4, 5} and B = {4, 5, 6}, then A ∩ B is…

• A ∩ B = {3}

• A ∩ B = {3, 4, 5, 6}

• A ∩ B = {4, 5}

• A ∩ B = { }