Question: (a) (b) Determine the domain and range of the function below and sketch the domain (shaded) on the xy-plane. Describe its level set. f(x,

(a) (b) Determine the domain and range of the function below and

(a) (b) Determine the domain and range of the function below and sketch the domain (shaded) on the xy-plane. Describe its level set. f(x, y) =1-x - 3y. (7 marks) Determine the domain and range of the function below. Describe its level set. g(x, y, z) = ln (x + 2y + 2x).

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