Question
Match the graph of the surface with one of the contour maps. [The contour maps are labeled (a), (b), (c), and $(\mathrm{d}) .1$
Step 1
We can see that it has a saddle point. If we move in the positive or negative X directions, the value of our function decreases. If we move in the positive or negative Y directions, the value of our function increases. Show more…
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