Question

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

A. { }
B. {20}
C. {10, 15, 25}
D. {10, 15, 20, 25}

Answer 1

R U S : Union is the collection of all the elements of R and S.

Answer 2

Without repetition...

Answer 3

u lost me......

Answer 4

Which option contains all the elements of both set R and S?

Answer 5

o so its D?