Question

Given two sets, X = {things that are impossible or untrue} and Y = {mathematical statements}, which of the following are in X Y?

Check all that apply.

A. 32 = 19
B. 7 + 5 = 12
C. Smoking kills.
D. The sun won't rise tomorrow.
E. 1 > 999

Answer 1

never mind, i got it. A and E were right

Answer 2

X Y?
what does that mean?

Answer 3

should that be
\[X\cap Y?\]