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slamgirl [31]
4 years ago
13

Given D = {x | x is a whole number}. E = {x | x is a perfect square between 49 and 100}. F = {x | x is an even number between 10

and 20}. 1.The expression D∪F means (64 and 81) OR (all whole numbers). 2.The expression D∩F means (16,22,24,18) OR (12,14,16,18). 3.The expression D∩E means (all whole numbers) OR (64,81). 4.The expression E∩F means (all whole numbers) OR (empty set). 5.The expression D∩(E∪F) means (empty set) OR (81,64,12,14,16,18)
Mathematics
2 answers:
Andrei [34K]4 years ago
8 0
<span>Given D = {x | x is a whole number}
E = {x | x is a perfect square between 49 and 100}
F = {x | x is an even number between 10 and 20} The expression D ∪ F means: all whole numbers


(The expression D ∩ F means: 12, 14, 16, 18)
     ^I got this one wrong using this site^

The expression D ∩ E means: 64, 81</span>
<span>
The expression E ∩ F means: the empty set

The expression D ∩ (E ∪ F) means: 81, 64, 12,14, 16, 18

I've fact checked these answers

</span>

wariber [46]4 years ago
6 0
DUF is all whole numbers because the definition of a union is the set that contains both sets.

DNF means (16,22,24,18) because an intersection is the common numbers between the sets

DNE means (64,81)

ENF is an empty set

DN(EUF)= (81,64,12,14,16,18)

Good luck I hate sets and set proofs
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