kayleegraceee2 kayleegraceee2
  • 22-09-2017
  • Mathematics
contestada

Form the union for the following sets.

R = {10, 15, 20}
S = {20, 25}
R ∪ S =

A. { }
B. {20}
C. {10, 15, 25}
D. {10, 15, 20, 25}

Respuesta :

BnrSpcWtbk
BnrSpcWtbk BnrSpcWtbk
  • 22-09-2017
It's D.) {10,15,20,25}
Answer Link
LearnGrow
LearnGrow LearnGrow
  • 23-09-2017
Union of two sets R and S is the set which contains all element, which are in either set R or S. The symbol for union is ∪, so the union of two sets is written as R∪S. 
In our case, the sets are:
R = {10, 15, 20}
S = {20, 25}
The union for the sets R and S are: 
D. {10, 15, 20, 25}
Intersection on the other hand is the set that contains the elements that belong both in set R and set S. 
Answer Link

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