√x² + y² x-1 (a) Find and sketch the domain of f (x, y). 2. Consider the function f (x, y) = 4 (b) Give two points, as ordered pairs, that are not in the domain of this function.

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Q: Pls help

A: For x intercept we have f(X)=0 i.e. x^3-7x-6=0 Or (x-3)(x+2)(x+1)=0 Solving for x we get  X=3,-2,-1

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Q: a) Determine the domain and range of the function: 1 f(x, y) Va² + y² – 1 b) Sketch the domain.

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A: Given problem:-

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Q: Q. N.2: Sketch the functions: a: 2xy = -5 b: x² = -4-y c: y² - 2y = x + 4, d: sketch the funcion xy…

A: (a) 2xy=-5

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