Find the Equation of the Tangent Line at the Given $x y^{2}=4 ;(4,1)$

Multiple Choice

Find the equation of the tangent line at the given point on the curve.
- $x y^{2}=4 ;(4,1)$

A) $y=-8 x+33$
B) $y=-\frac{1}{8} x+\frac{3}{2}$
C) $y=-\frac{1}{2} x+3$
D) $y=-2 x+9$