Question: 3.{7 points } Consider the function f(x,y)=ln(2xy+4)(a) Determine the domain of this function and sketch it as a region in the (x,y) plane. Is the

3.{7 points } Consider the function f(x,y)=ln(2xy+4)(a) Determine the domain of this function and sketch it as a region in the (x,y) plane. Is the domain open or closed? Is it bounded or unbounded? (b) determine the range of this function and sketch the level curves f(x,y)=0 and f(x,y)=1

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