Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (-8x - 8y)5
A. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
Answer: D
You might also like to view...
Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(6) = 6 m/sec2, a(8) = -6 m/sec2 B. a(6) = 0 m/sec2, a(8) = 0 m/sec2 C. a(12) = 72 m/sec2, a(16) = 12 m/sec2 D. a(6) = -6 m/sec2, a(8) = 6 m/sec2
Simplify.-3(6 - 10)2 - 2(4 - 6)3
A. 64 B. -32 C. -64 D. 32
List the intercepts of the graph. 
A. 
, (0, 3), 
B. 
, (3, 0), 
C. 
, (3, 0), 
D. 
, (0, 3), 
Find the real solutions of the equation.
+ 7 = 8
Fill in the blank(s) with the appropriate word(s).