CSEC Additional Mathematics · 2014 · Paper 1 · Question Q39

The curve C is given by the equation y = x^2 + \frac{16}{x}. The second derivative, \frac{d^2y}{dx^2} is given by

1. (A)2 - \frac{16}{x^2}
2. (B)2 + \frac{32}{x^3}
3. (C)2 + \frac{32}{x^2}
4. (D)2 + \frac{16}{x^3}