Find the domain and range and describe the level curves for the function f(x,y).

Question

Find the domain and range and describe the level curves for the function f(x,y).

Find the domain and range and describe the level curves for the function f(x, y). f(x, y) = -4x + 6y. Domain: all points in the xy-plane; range: real numbers z ge 0; level curves: lines -4x + 6y = c le 0. Domain: all points in the xy-plane; range: real numbers z ge 0 ; level curves: lines -4x + 6y = c ge 0. Domain: all points in the xy-plane; range: all real numbers; level curves: lines -4x + 6y = c > 0. Domain: all points in the xy-plane; range: all real numbers; level curves: lines -4x + 6y = c.

Explanation / Answer

Ans :

D) Domain: all points in the xy=plane

    Range: all real numbers.

    Level curves -4x+6y=c

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