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

A – B = {x : 3 ≤ x ≤ 5, x ∈ R}

It can be represented on a number line as