Question

You have two boxes of colored pens. The first box contains a red pen, a blue pen, and green pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that represents all the pens?
A. {red pen, blue pen, green pen}
B. {red pen}
C. {red pen, red pen, green pen, yellow pen, black pen}
D. {red pen, blue pen, green pen, yellow pen, black pen}

Answer 1

@Notamathgenius
@Hyper

Answer 2

set builder notation: {element 1, element 2, element 3...}, use comas to separate elements and {} to enclose them.

Answer 3

Just have all of your elements within the {} and you will have your answer :)

Answer 4

oh thanks

Answer 5

So D? @Notamathgenius

Answer 6

Yes D :)

Answer 7

:0 lol

Answer 8

:D