In order to determine the effects of a new high carbohydrate diet intended to treat depression, a researcher conducts a study. Five hundred inmates in the Middletown prison are selected to participate in the study. The researcher puts the 400 inmates not in solitary confinement on the new diet. The 100 inmates in solitary confinement are given their regular meals. The 400 inmates on the new diet are not aware that they being studied or that their diet has been modified, but have many fewer reported cases of depression after 30 days.Which of the following is not true?
A. This is a clinical study.
B. This is a controlled experiment.
C. The control group consists of 100 inmates.
D. This is a randomized controlled experiment.
E. All of these statements are true.
Answer: D
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Use the graph, which shows the average retail prices of 1 gallon of whole milk from 1996 through 2007.
?
?
Approximate the percent change in the price of milk from the price in 2000 to the highest price shown in the graph.
?
A. About 48% B. About 58% C. About 43% D. About 53% E. About 38%
Graph the function.y = - 
csc (?x)
A. 
B. 
C. 
D. 
Provide an appropriate response.Determine whether the sequence is arithmetic, geometric, or neither. If the sentence is geometric, find the common ratio r. If the sequence is arithmetic, find the common difference d.4, 
, 
, 
, . . .
A. geometric, r = 
B. neither
C. arithmetic, d = 
D. geometric, r = 
Determine whether the equation defines y as a function of x.y = x3
A. y is a function of x B. y is not a function of x