Question

p r e c a l c

Answer 1

Post your pre-

Answer 2

LET ME USE MY HEAD FOR A SECOND

Answer 3

Ok

Answer 4

When citing the domain, We use U and upside down U. What does that mean?

Answer 5

@dude

Answer 6

IT MEANS FAILURE

Answer 7

...

Answer 8

@dude

Answer 9

\(\cup \) means inclusive, both ends of the domain are included (even if they do not intersect)

\( ∩ \) means only where they both intersect (If a section of the domain does not intersect with the other, then it is not included)

Answer 10

OH

Answer 11

What the f u c k is the sole purpose of having the second one it's just a way to bully us during tests

Answer 12

lol