Question 23
Multiple Choice
Find a parametric representation for the part of the elliptic paraboloid x+y2+2z2=7 that lies in front of the plane x = 0.
A) x=7−y2−2z2,y=y,z=y,y2+2z2≤7
B) x=x,y=7−x+2z2,z=z
C) x=x,y=±7−x+2z2,z=z
D) x=7−y2−2z2,y=y,z=y,0≤y2+2z2≤3
E) x=7−y2−2z2,y=y,z=y,y2+2z2≥7
Correct Answer:

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