Let the universal set be the set R of all real numbers and let A = {x €R|0 < x≤ 2}\ and B = {x € R|1 ≤ x < 4} Find: A union B A INTERSECTION B​

Let the universal set be the set R of all real numbers and let A = {x €R|0 < x≤ 2}\ and B = {x € R|1 ≤ x < 4}
Find:
A union B
A INTERSECTION B​