Let f(x, y) = $\sqrt { 4 - x ^ { 2 } - 2 y ^ { 2 } }$ (a) Evaluate $f ( - 1 , - 1 )$ .(b) Find the domain of f.(c) Find the range of f.

Name: Let f(x, y) = $\sqrt { 4 - x ^ { 2 } - 2 y ^ { 2 } }$ (a) Evaluate $f ( - 1 , - 1 )$ .(b) Find the domain of f.(c) Find the range of f.
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The Answer of Let f(x, y) = $\sqrt { 4 - x ^ { 2 } - 2 y ^ { 2 } }$ (a) Evaluate $f ( - 1 , - 1 )$ .(b) Find the domain of f.(c) Find the range of f.

Let F(x, Y) = 4−x2−2y2\sqrt { 4 - x ^ { 2 } - 2 y ^ { 2 } }4−x2−2y2​

Let F(x, Y) = $\sqrt { 4 - x ^ { 2 } - 2 y ^ { 2 } }$