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## Main Question or Discussion Point

If I am given a function:

f(z) = w(x,y) = u(x,y) + iv(x,y)

How do I find the domain and range of that function? Are there any good lectures online on this?

I know I have to use two planes; One for u and v, and one for x and y. Besides that, I am lost.

f(z) = w(x,y) = u(x,y) + iv(x,y)

How do I find the domain and range of that function? Are there any good lectures online on this?

I know I have to use two planes; One for u and v, and one for x and y. Besides that, I am lost.