If a = {y ∈ R | y = logx, X < 1}, B = {- 2, - 1,1,2}, then the set CUA ∩ B and CUA ∪ B=

If a = {y ∈ R | y = logx, X < 1}, B = {- 2, - 1,1,2}, then the set CUA ∩ B and CUA ∪ B=

When x < 1, the range of y = logx is (- ∞, 0), then CUA = [0, + ∞) then CUA ∩ B = {1,2}
CuA∪B={-2}U{-1}U[0,+∞)