Solve by graphing.
A. (14, 10)
B. (7, 5)
C. (5, 7)
D. (10, 14)
Answer: B
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Is the function graphed below one-to-one?
A. Yes B. No
Identify the domain and the range of the relation from the graph.
A. Domain: [-3, ?) Range: [5, ?) B. Domain: (-?, 5] Range: (-?, -2] C. Domain: [-2, 6] Range: [-3, 5] D. Domain: [-3, 5] Range: [-2, 6]
Solve the problem.Assume that a person's threshold weight W, defined as the weight above which the risk of death rises dramatically, is given by W(h) = 
3, where W is in pounds and h is the person's height in inches. Find the threshold weight for a person who is 6 ft 7 in. tall. Round your answer to the nearest pound.
A. 161.6 lb B. 296.3 lb C. 221.5 lb D. 265 lb
Provide an appropriate response.Suppose that you are solving a system of three linear equations and have evaluated D, Dx, Dy, and Dz. Under what condition does Cramer's rule not apply?
A. D = 0; and either Dx = 0, Dy = 0, or Dz = 0 B. Dx = 0 C. D = 0 D. Dx = 0, Dy = 0, or Dz = 0