A={x| x is an integer greater than 7 and B={x| x is an integer less than 12} determine A union B and A intersection B
A = {8, 9, 10, ....}, and B = {...., 8, 9, 10, 11}
A ∪ B = {x| x is all the integers} ..... Union
A ∩ B = {8, 9, 10, 11} ........ Intersection
3+4 = 7
Comments
A = {8, 9, 10, ....}, and B = {...., 8, 9, 10, 11}
A ∪ B = {x| x is all the integers} ..... Union
A ∩ B = {8, 9, 10, 11} ........ Intersection
3+4 = 7