If a = {x : 1 < x < 9} ; b = {x : 0 < x < 9} ; C = {x : 2 x < 9} and a, b, c U, what are the elements in U?
U = {-1 < x < 9}
U = {0 < x < 9}
U = {1 < x < 9}
U = {1 < x < 10}
{2 < x < 10}
Correct answer is C
No explanation has been provided for this answer.