Question

What is the solution set of {x | x < -3} ∩ {x | x > 5}?

all numbers except -3 and 5

the numbers between -3 and 5

the empty set

all real numbers

Answer 1

Ok {x | x < -3} is all numbers that are less than -3 so {-4,-5,-6,-7...}
{x | x > 5} is all numbers that are greater than 5 so {6,7,8,9,10,11...}

Do these 2 sets intersect at all?