Question

A={1,3,5,7,9}
B={2,4,6,8,10}
C={1,5,6,7,9}
A∪B=?
My answer: would it be between 1 and 10 or inclusively from 1- 10

Answer 1

∪ means all values in both sets
if there are common elements, just include them once.

Answer 2

so what it should be ?

Answer 3

inclusively from 1-10

Answer 4

yes, correct