If x#y is defined to equal x^2/y for all x and y, then (-1#2)#-3 =
Answers:
A) 1 / 12
B) 1 / 3
C) 1 / 2
D) - 1 / 12
E) - 4 / 3

Rationale: ( - 1 ) ^ 2 / 2 = 1 / 2 ( - 1 / 2 ) ^ 2 / - 3 = - 1 / 12 so d is my answer
Answer: D