Question

a) Find the domain and range of the following function: f(x,y)=sin(ln(x+y)) b) sketch the domain. c)...

a) Find the domain and range of the following function:

f(x,y)=sin(ln(x+y))

b) sketch the domain.

c) on seperate graph, sketch three level curves

Math   Calculus   
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Hope explanation is fine. Will appreciate feedback.

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