Identify the Graph of the Function F(x, Y) = $3 - x ^ { 2 } - y ^ { 2 }$

Multiple Choice

Identify the graph of the function f(x, y) = $3 - x ^ { 2 } - y ^ { 2 }$ .

A) Cone
B) Paraboloid
C) Ellipsoid
D) Hyperboloid of one sheet
E) Hyperboloid of two sheets
F) Hyperbolic cylinder
G) Elliptic cylinder
H) Parabolic cylinder