WGU D421 - Discrete Math PA and OA Guide | Explore New 142 Questions and Answers | 2025 Update | 100% Correct.

4/23/25, 1:55 AM WGU D421 - Discrete Math



WGU D421 - Discrete Math PA and OA Guide | Explore New 142
Questions and Answers | 2025 Update | 100% Correct.

Correct 142

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WGU D421 - Discrete Math


142 correct terms




Questions and answers




Term



What is the logical equivalence of ¬(p ∨ q) ?



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R




(¬p ∧ ¬q) ⊆

,4/23/25, 1:55 AM WGU D421 - Discrete Math


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2 of 142

Term



What is the logical equivalence of p→q ≡ ?



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{} |A| = 4




The amount of Vertices that
(¬p ∨ q)
connect.


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3 of 142

Term



True ∨ True =



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¬∀xp(x) ≡ ∃x¬p(x) ¬∃xp(x) ≡ Exactly One Of The Propositions P
∀x¬p(x) And Q Is True But Not Both

,4/23/25, 1:55 AM WGU D421 - Discrete Math


True Yes, On The Left Side



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4 of 142

Term



A = {a, b, c, d, e, f}
B = {d, e, f, g}
A⊕B=?



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{a, b, c, d, e, f, g}. { 2, 4, 11 }




{-1, 0 1} {a, b, c, d, g}


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5 of 142

Term



What is the notation for union?



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, 4/23/25, 1:55 AM WGU D421 - Discrete Math

A number that can be written as a
∪ fraction, where the denominator
does NOT equal 0




No ∅, {1}, {2}, {1, 2} }




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6 of 142

Term



Is the variable y bound in the expression ∀xQ(x,y)?



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No Yes




OR Q


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7 of 142

Term



False ∧ False =