Question

How would you write this in interval notation?

Answer 1

\[y \le -2\]
\[y \ge 2\]

Answer 2

Hey.

Answer 3

Is it multiple choice?

Answer 4

[-inifnity,-2) U (-2,2) U (2, infinity) not sure if this is what you were looking for.

Answer 5

and not sure if () or []

Answer 6

I know greater than or equal to is [] but I don't know if that applies to every part of it

Answer 7

It's (-infinity, -2] V [2,infinity)

Answer 8

oh you're right derp, it's not x cannot equal -2 or 2

Answer 9

infinity is never in brackets because it's not an actual number, so it can't be included. Brackets mean that number is included, parenthesis mean that number is excluded.

Answer 10

\( (-\infty, -2]\) U \([2, \infty) \)

Answer 11

Okay, thank you! That's what I figured, but I wasn't sure