Question: I don't know how to solve for the four things can someone help Find f (x,y) and fv(x,y). Then, find f ( - 4,4) and

I don't know how to solve for the four things can someone help

I don't know how to solve for the four things can someone

Find f (x,y) and fv(x,y). Then, find f ( - 4,4) and f(1,2). f(x,y) = 5xy + 9y# +7

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