Question

What is the solution set of {x | x > -5} U {x | x < 5}?
all numbers except -5 and 5
the numbers between -5 and 5
the empty set
all real numbers

Answer 1

what is x?

Answer 2

x is greater than -5, and less than 5

Answer 3

i think the 2nd one

Answer 4

This question doesn't makes sense with definition of x for example if \(x \in \mathbb {R}\) then "it is the numbers between -5 and 5"

if \(x \in \mathbb {Z}\) or \(x \in \mathbb {W}\) or then "the empty set"