Find the Partial Derivative $z=g(x, y)=8 x+4 x^{2} y^{2}-6 y^{2}$ Find

Multiple Choice

Find the partial derivative.
-Let $z=g(x, y) =8 x+4 x^{2} y^{2}-6 y^{2}$ . Find $\frac{\partial z}{\partial y}$ .

A) $8 y x^{2}-12 y$
B) $8 y x-8 y$
C) $8+8 y^{2}$
D) $8 y x-12 y$