Question

let I = (-3,9) and J = [-8,9) (a) Determine I union J? (b) Determine J intersection I(c) Find I - J(d) Find J - I Answer please ​

Answer 1

Answer:

l=(-3,9) and J=(-8,9)

a)I∪J ={-3,9,-8} ↓ b)I∩J={9} ↓ C)I - J={-3}↓d)J - I={-8}