Find an Equation of the Tangent Line to the Graph $f(x)=\frac{4}{x}$

Multiple Choice

Find an equation of the tangent line to the graph of the function at the indicated point. $f(x) =\frac{4}{x}$ $\quad$$\quad$$(4,1)$

A) $y=4 x+2$
B) $y=-4 x+2$
C) $y=-\frac{1}{4} x+2$
D) $y=\frac{1}{4} x+2$