(50 pt., 10 pt. each) For each of the following relations, determine whether the relation is: . Reflexive . Anti-reflexive . Symmetric . Anti-symmetric. Transitive. e. R is a relation on Z+ such that (x,y) E R if and only if y is divisible by x. 0 if and only if there exists an integer k Hint: An integer y is divisible by an integer x with x such that y = xk