Question

Form the union for the following sets.
R = {10, 15, 20}
S = {20, 25}
R ∪ S =

Choices Below:

{ }

{20}

{10, 15, 25}

{10, 15, 20, 25}

Answer 1

to form the union of two sets, you just combine the two sets as one (remove any duplicates)

Answer 2

So tell me what you get

Answer 3

{10,15,20,25}

Answer 4

that is correct