23. A function f is given by an equation of the form f(x, y) = ax+by+c, where a, b and c are constants. The graph below shows a contour plot of this function. Find the equation of f. 10 5 0 6 5 4 3 2 -6-5-4-3 -2 -11 -2 -4 -6 Y 15 10 5 1 0 2 3 -10- 4 15- 10% 5 6 0- -5-

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23. A function f is given by an equation of the form f(x, y) = ax+by+c, where a, b and c are constants.
The graph below shows a contour plot of this function. Find the equation of f.
10
5
0
6
5
4
3
2
-6-5-4-3 -2 -11
-2
-4
-6
Y
15
10
5
1
0
2 3
-10-
4
15-
10%
5
6
0-
-5-
Transcribed Image Text:23. A function f is given by an equation of the form f(x, y) = ax+by+c, where a, b and c are constants. The graph below shows a contour plot of this function. Find the equation of f. 10 5 0 6 5 4 3 2 -6-5-4-3 -2 -11 -2 -4 -6 Y 15 10 5 1 0 2 3 -10- 4 15- 10% 5 6 0- -5-
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