Wgu C959 Discrete Math Expected Questions With Verified Answers

WGU C959 DISCRETE MATH EXPECTED QUESTIONS
WITH VERIFIED ANSWERS

Question 1.
No repeated edges in a graph is considered a:
Circuit
Cycle
Open-Walk

ANSWER
Circuit



Question 2.
Let X = {a, b, c, d}. What is { A: A P(X) and |A| = 2 }?

ANSWER
{ {a, b}, {a, c}, {a, d}, {b, c}, {b, d}, {c, d} }



Question 3.
Write the set-builder notation for, "Numbers whose square roots are an integer"

ANSWER
{ x | x ℤ}



Question 4.
What is the maximum length of a cycle in a graph?

ANSWER
The amount of Vertices that connect.






,Question 5.
A = { x Z: x is an integer multiple of 3 }
E = { 3, 6, 9 }
E † A?
True or False

ANSWER
True



Question 6.
What is the notation for "The set of rational numbers:"

ANSWER
Q



Question 7.
False ' False =

ANSWER
False



Question 8.
A ______ is a subset between two different sets

ANSWER
relation



Question 9.
A two-input XOR gate (for "exclusive OR") outputs 1 if the input values differ. True or False

ANSWER
True



Question 10.
A collection of objects is known as a

ANSWER
set





, Question 11.
What is the notation for "The set of natural numbers:" (All integers greater than or equal to 0.)

ANSWER
N



Question 12.
A = { a, b, c, d }
X = { 1, 2, 3, 4 }
f = { (a, 3), (b, 1), (c, 4), (d, 1) }
What is the range of the function f?

ANSWER
{1, 3, 4}



Question 13.
An open walk + no repeated edges is a:
Cycle
Trail
Path
Circuit

ANSWER
Trail



Question 14.
B = { x Z: x is a perfect square }
B?
True or False

ANSWER
False (All elements in B are numbers, not sets)



Question 15.
T/F:
0 Q

ANSWER
True (0 is a rational number)