Solve the inequality.-7 < x - 4 < -3
A. x < -3 or x > 1
B. -3 ? x ? 1
C. -1 < x < 3
D. -3 < x < 1
Answer: D
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The given limit is a derivative, but of what function and at what point?
- 
A. f(x) = 8x3 at x = 2 B. f(x) = 2x3 at x = 8 C. f(x) = 2x3 at x = -8 D. f(x) = 8x3 at x = -2
In order to answer the given question, which of the following types of study would be the most appropriate: an experiment without blinding, an experiment with single blinding, an experiment with double blinding, an observational study, or a case-control study?Can acupuncture relieve anxiety? [The level of anxiety at any given time will be determined by interviewing the patient. The interviewer will be a person other than the acupuncturist.]
A. Experiment without blinding B. Case-control study C. Observational study D. Experiment with double blinding E. Experiment with single blinding
Evaluate the integral by changing the order of integration in an appropriate way.
A. 1 ln 3 (e - 1)
B. 1 ln 2 (e - 1)
C. 
ln 2 (e - 1)
D. 
ln 3 (e - 1)
Graph the numbers on the real number line.x ? 3
A. 
B. 
C. 
D. 