Which of the following is equal to (y+1)!/y!?\nOptions:\n(A) y-1\n(B) 1+(1/y) \n(C) 1\n(D) y+1\n(E) y Let's think first. Stream of consciousness:
User
(y + 1)! = (y + 1) * x!\n(y + 1)!/y! = y + 1
So, the answer is (D).
Assistant