Question

Given the universal set = {-7,-3, -1, 0, 5, 6, 8, 9}, find: B = {x : -4 < x < 6}

Answer 1

Universal set = {-7, -3, -1, 0, 5, 6, 8, 9},

B = {x : -4 < x < 6} = {-3, -1, 0, 5}