If A = {x ∈ ℝ / x < 1}, B = {x ∈ ℝ / – 1 < x ⩽ 3} and C = {x ∈ ℝ / x ⩾ 0}, the set that represents (A ⋂ B) – C is:
A = ( -inf, 1 )
B = (-1 3]
C = [ 0, inf )
A ∩ B = (-1, 1)
(A ∩ B ) - C = (-1, 0) = first choice
+16 
