Find the domain and range and describe the level curves for the function f(x,y).
-f(x, y) =
A) Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas y= cx 2 - 6
B) Domain: all points in the xy-plane; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6
C) Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas y= cx 2 - 6
D) Domain: all points in the xy-plane excluding x = 0; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6

Question

Find the domain and range and describe the level curves for the function f(x,y).
-f(x, y) = 
A) Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas y= cx 2 - 6 
B) Domain: all points in the xy-plane; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6 
C) Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas y= cx 2 - 6 
D) Domain: all points in the xy-plane excluding x = 0; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6

Quizplus · Accepted Answer

The Answer of Find the domain and range and describe the level curves for the function f(x,y).
-f(x, y) = 
A) Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas y= cx 2 - 6 
B) Domain: all points in the xy-plane; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6 
C) Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas y= cx 2 - 6 
D) Domain: all points in the xy-plane excluding x = 0; range: real numbers z ≥ 0; level curves: parabolas y= cx 2 - 6

Find the Domain and Range and Describe the Level Curves