F1 CW2 T3 2021

Find n(A) when

A = {14, 16, 18, 20, 22, 24}

• 6

• 4

• 12

• even numbers

What does this symbol ( ∪ ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

Let A = {2, 3, 4, 5, 6, 7} B = {2, 4, 7, 8) C = {2, 4}. Fill in the blanks by ⊂ or ⊄ to make the resulting statements true.

B __ A

• ⊂

• ⊄

Determine if the statement is true or false.
{10, 12, 14, 16}  $\subset$    {1,2,3,4,...99}

• True

• False

{A, B, C, D, E, F, G, H, I, J, K, L, M}

• Set Builder Notation

• Universal Form

• Roster Form

• Equivalent Inequalities

The set S = {fever, dry cough, tiredness} list the common symptoms of COVID-19. What is the cardinality of this set?

• 3

• 4

• 5

• 6

Which of the following cannot be considered a subset of H = {h, e, a, l, t, h, y}?

• W = {h, e, a, l, t, h, y}

• M = { }

• F = {h, e, a, t}

• R = {h, e, a, r, t}

P is the set of all letters in the word "AUSTRALIA" . Describe P by listing its members!

• $P=\left\{A,U,S,T,R,L,I,A\right\}$

• $P=\left\{A,U,\ S,\ T,\ R,\ I\right\}$

• $P=\left\{A,U,\ T,R,L,\ I\right\}$

• $P=\left\{U,S,R,T,A,I,L\right\}$

What is a set?

(Choose 2)

• A method of solving problems

• A collection of objects

• A 2-D shape

• {7, 10}

• [2, 3]

Which of the following sets is empty?

• A set with natural number divisible by 2

• A set containing a list of names of humans who traveled to the sun.

• A set containing the planets in the solar system

• A set of whole numbers smaller than 50