Determine if the relation is a function.S={(-5, -10), (-4, -8), (-10, 0), (-6, -10), (5, -13)}
A. Not a Function
B. Function
Answer: B
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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: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
B. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at 
C. Domain: all points in the xy-plane satisfying x2 + y2 ? 100; range: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
D. Domain: all points in the xy-plane satisfying x2 + y2 = 100; range: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
Divide.4.6 ÷ 6
A. 0.7
B. 7
C. 7.667
D. 0.767
Identify the number as prime or composite.30
A. Composite B. Prime
The tension T at each end of the chain has magnitude 27 N and makes an angle ?a = 27° with the horizontal. What is the weight of the chain? Round the result to the nearest hundredth.
What will be an ideal response?