Multiple Choice
Describe the level curves f(x, y) = .
A) all parabolas in the xy-plane tangent to the x-axis at the origin
B) all parabolas in the xy-plane tangent to the y-axis at the origin
C) all parabolas in the xy-plane tangent to the y-axis
D) all parabolas in the xy-plane tangent to the x-axis
E) all parabolas in the xy-plane
Correct Answer:

Verified
Correct Answer:
Verified
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