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Let A= { 15, 25, 35, 45, 55, 65 } and B= { 25, 45, 65} What is A∪B?

Choices:
a) {15, 35, 55}
b) { 25, 45, 65}
c) { 15, 25, 35, 45 }
d) {15, 25, 35, 45, 55, 65 }

Respuesta :

ghanami
Hello:
A= { 15, 25, 35, 45, 55, 65 } and B= { 25, 45, 65}
 A∪B =  {15, 25, 35, 45, 55, 65 } ....(answer : d )

Answer:

The correct option is option d) {15, 25, 35, 45, 55, 65 }

Step-by-step explanation:

A ={ 15, 25, 35, 45, 55, 65 }

B = { 25, 45, 65}

We are ask to find A∪B.

AUB is simply the union of the two set.  To find AUB , we are going to writ the numbers in A and in B without repetition.

AUB = {15, 25, 35, 45, 55, 65}

Therefore the correct option is option d){15, 25, 35, 45, 55, 65 }

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