Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (6x - 5y)3
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
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 
D. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
Answer: C
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A. 0.4745682 B. 0.4902955 C. 0.5124897 D. 0.4903152
In the problem, sin ? and cos ? are given. Find the exact value of the indicated trigonometric function.sin ? = 
, cos ? = 
Find cot ?.
A. 
B. 
C. 
D. 
Evaluate.104
A. 100,000 B. 10,000 C. 400 D. 1000
Match the function to its graph.y = -tan (x + ?)
A. 
B. 
C. 
D. 