Question

At the point (1, 1), the function f(x,y) =+++ xy
+ xy has:​

Answer 1

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Answer 2

Refer the attachment for graph

Function:

The function is an euqation that is equated in the form of x and y, In some cases the value of x and y is also given and we have to draw a graph. In this question, a function is given as, f(x,y) = xy + xy at point (1,1).

A graph can be made by putting these points in the equation.

f(x,y) = xy + xy

f(1,1) = 1 * 1 + 1 * 1

f(1,1) = 2