Solved

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

Question 267

Essay

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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