WGU C959 Discrete
Mathematics I Exam Mastery
Bundle: Spring-Summer 2025
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,WGU C959 EXAM 2025 BY BRAINBOOSTERS
Write the set-builder notation for, "Numbers whose square roots are an
integer"
{ x | √x ∈ ℤ}
Write the set-builder notation for "the set of all x's, such that x is greater
than 0"
{ x | x > 0}
What is the notation for subset?
⊆
A collection of objects is known as
a set
What is the notation for integers?
ℤ
,WGU C959 EXAM 2025 BY BRAINBOOSTERS
What is the notation for element?
What is the notation for set-roster?
{}
T/F:
Order matters in ordered pairs?
True
In a Cartesian Product of two sets, every element of the CROSS
PRODUCT is an
ordered pair
What is the Cartesian Product for:
{a,b} x {0,1}
A x B = { {a,1} , {a,0} , {b,1} , {b,0} }
, WGU C959 EXAM 2025 BY BRAINBOOSTERS
Ordered pairs are _____ of the Cartesian Product
elements
A ______ is a subset between two different sets
relation
Give the general equation for Relations
(a,b) A x B
(i.e. (a,b) is the ordered pair and A x B are two different sets)
Describe in words what this formula means: (a,b) A x B
Ordered pair (a,b) are in the two sets A x B
True ∧ True =