Each of the following functions has at most one critical point. Graph a few level curves and a few gradients and, on this basis alone, decide whether the critical point is a local maximum, a local minimum, a saddle point, or that there is no critical point. For f(r, y) = e zv°, type of critical point: ? For f(x, y) = ez* v°, type of critical point: ?

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Q: f(x,y) = (x² + y²)e»²-

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Q: minimum

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Q: For a function f(x,y), suppose that fxx 3x2 and D(x,y) = fxxfyy-fxyfxy 4y- 12. Which is true for the…

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