AP Calculus BC : 9.2 Second Derivatives of Parametric Equations- Exam Style questions with Answer- MCQ

Question

If \(x=t^2+1\) and \(y=t^3\) , then \(\frac{\partial^2 y}{\partial t^2}=\)

(A) \(\frac{3}{4t}\)                    (B) \(\frac{3}{2t}\)                   (C) 3t                     (D) 6t                        (E) \(\frac{3}{2}\)