Question

What is the solution set of {x | x < -5} ∩ {x | x > 5}?
all numbers less than -5 and greater than 5
the numbers between -5 and 5
the empty set
all real numbers

Answer 1

recall that ∩ means the intersect of a number of sets . The intersect contains elements common to the given sets.

Answer 2

can you write the ffffirst set in another way - say, on a number line?

Answer 3

all real numbers
[I just took this lesson]

Answer 4

No its not all real numbers