Question

Form the union for the following sets.

R = {10, 15, 20)
$ = {20, 25}
R u S =
{10, 15, 20, 25)
{ }
{20}
{10, 15, 25}

Answer 1

The union of two sets is all the elements in one set OR the other set (or both)
R u S = {10, 15, 20, 25}