Question

Given A = {x : –1 < x ≤ 5, x ∈ R} and B = {x : – 4 ≤ x < 3, x ∈ R}

Represent on different number lines:

A' ∩ B

Answer 1

Numbers which belong to B but do not belong to A = B – A

A' ∩ B = {x : – 4 ≤ x ≤ –1, x ∈ R}

It can be represented on a number line as