4. [4/6 Points) DETAILS VIOUS ANSWERS Explain why the function is differentiable at the given point. Axixin 1 (12) The p

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4 4 6 Points Details Vious Answers Explain Why The Function Is Differentiable At The Given Point Axixin 1 12 The P 1 (10.37 KiB) Viewed 55 times

4. [4/6 Points) DETAILS VIOUS ANSWERS Explain why the function is differentiable at the given point. Axixin 1 (12) The partial derivatives are f(x,y)=+In(xy-7) and (x, y) continuous functions for xy Find the Snearization Lx, y) of x, y) at (4,2) L(X,Y)= and fis differentiable at (4,2). xy-7 ✔50 (4,2). ✔and (4,2)-16 Both f, and f, are