Find the Derivative Of $y=\frac{4}{3} x^{2}-9 x^{2}+x-15$
A) $\frac{d y}{d x}=\frac{-72}{x^{6}}$

Multiple Choice

Find the derivative of $y=\frac{4}{3} x^{2}-9 x^{2}+x-15$ .

A) $\frac{d y}{d x}=\frac{-72}{x^{6}}$
B) $\frac{d y}{d x}=4 x^{3}-18 x^{2}+x$
C) $\frac{d y}{d x}=8 x-18$
D) $\frac{d y}{d x}=4 x^{2}-18 x+1$