Question

Write the following set in builder form. 

(i) [-4, 0] 

(ii) [6, 8] 

(iii) [-3, 7]

(iv) [3, 10]

Answer 1

(i) [-4, 0] = {x : x ∈ R, -4 < x < 0} 

(ii) [6, 8] = {x : x ∈ R, 6 ≤ x ≤ 8} 

(iii) [- 3, 7] = {x : x ∈ R, -3 ≤ x < 7} 

(iv) [3, 10] = {x : x ∈ R, 3 < x ≤ 10}