Which of the following is the domain D of the function f(x, y) = ln(x² + y² − 1) ? Select one alternative: D = {(x, y) = R: x² + y² ‡ 1} OD= {(x, y) = R: x² + y² > 1} OD= {(x, y) = R: x + y} OD= {(x, y) = R: x +y > 1}

A:

A: Given fx,y=7x2y4we have to find ∂f∂x =?    and   ∂f∂y=?

A: Given: hx,y=x-y we know that for domain of square root function inside of root not has to be greater…

A:

A: The solution is given as

A:

A:

A:

A: Given, f′(x)=8x​,​ f(4​)=47.

A:

A: Given: Fx,y=2x+y, Gx,y=x2+y, Hx,y=x3+y3x2+y2To classify each of the above given function as linear,…

A: Given: f(x,y)=9-x2+y2 -42 To find: Domain and range.