Question 8 The function $f(x, y) = -x^2 + 8x - 6y + y^2 - 4$ has a local \\ (maximum / minimum / saddle point) at the critical point, where $x = $ \\ and $y = $
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To do this, we need to find the values of x and y where the partial derivatives of f with respect to x and y are equal to zero. Once we have the critical points, we can determine the nature of the point by analyzing the second partial derivatives of f. If the Show more…
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