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
Step-by-step reasoning process below:
(D)
(y + 1)! = (y + 1) * x!\n(y + 1)!/y! = y + 1.

So, the answer is (D)