I went to this tutoring place for maths, and I got this question I didnt get :S so my first instinct would be to come here :D
So heres the question:
If A = {t,e,a,c,h,e,r}, B = {s,t,u,d,e,n,t},
find A(B
^ the symbol is actually 90 degrees clockwise and more curvy, like a top half of...