The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log(-x)
B. y = log x
C. y = -log(-x)
D. y = -log x
Answer: D
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Find the area.
A. 88 ft.2 B. 44 ft.2 C. 968 ft.2 D. 484 ft.2
A small country consists of four states. The population of State A is 44,800, the population of State B is 52,200, the population of State C is 49,200, and the population of State D is 53,800. The total number of seats in the legislature is 100.Using a divisor of D = 1950, the modified quotas (to two decimal places) are
A. State A: 22.40; State B: 26.10; State C: 24.60; State D: 26.90. B. State A: 22.58; State B: 26.67; State C: 24.93; State D: 27.28. C. State A: 22.97; State B: 26.77; State C: 25.23; State D: 27.59. D. State A: 22.74; State B: 26.86; State C: 25.12; State D: 27.43. E. none of these
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = -3 sin (5t)
A. simple harmonic; -3 m; 
? sec; 
oscillations/sec
B. simple harmonic; -3 m; 5 ? sec; 
oscillations/sec
C. simple harmonic; 3 m; 
sec; 
? oscillations/sec
D. simple harmonic; 3 m; 
? sec; 
oscillations/sec
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. closed infinite interval; {x|x ? 2}; [2, ?) B. open infinite interval; {x|x > 2}; (2, ?) C. open infinite interval; {x|x < 2}; (-?, 2) D. closed infinite interval; {x|x ? 2}; (-?, 2]