Question

The sets of C and D are defined as follows.

C= {v| v<3}
D= {v|v greater than or equal to 5}

Write ∪CD and ∩CD using interval notation.
If the set is empty, write ∅

Answer 1

The union will be all the collection of all the elements that are in either set.

\((-\infty, 3)\cup[5,\infty)\)

The intersection will be all the elements that are in both sets, so all the elements the sets share with each other.

\((-\infty, 3)\cap[5,\infty)=\{\}=\emptyset\)

Answer 2

Thank you!!!!

Answer 3

np