Match the function with the description of its level sets (the sets z=constant).

A. a collection of parabolas.
B. a collection of ellipses.
C. a collection of parallel lines.
D. a collection of circles centered at the origin.
E. a collection of hyperbolas.

Question

Match the function with the description of its level sets (the sets z=constant).

A. a collection of parabolas. 
B. a collection of ellipses. 
C. a collection of parallel lines. 
D. a collection of circles centered at the origin. 
E. a collection of hyperbolas.

anonymous · Answer

The functions:

anonymous · Answer

@e.mccormick maybe you can help?

anonymous · Answer

@wio im still trying to get this. Can you tell me which one is wrong?

anonymous · Answer

I believe the last one is wrong, should be a