Evaluate the Required Second Order Partial Derivative $f_{y x}(-4,-2)$ , If $f(x, y)=(x+4) \ln \left(x y^{-1}\right)$

Multiple Choice

Evaluate the required second order partial derivative.
-Find $f_{y x}(-4,-2)$ , if $f(x, y) =(x+4) \ln \left(x y^{-1}\right)$ .

A) 0.063
B) 3.75
C) 0.25
D) 0.5