Precalculus Examples
A=(0,1,2)A=(0,1,2) , B=(0,2,3,4)B=(0,2,3,4)
Step 1
Set up the union notation of set {0,1,2}{0,1,2} and {0,2,3,4}{0,2,3,4}.
{0,1,2}∪{0,2,3,4}{0,1,2}∪{0,2,3,4}
Step 2
The union of two sets is the set of elements which are in either sets.
{0,1,2,3,4}{0,1,2,3,4}