Provide an appropriate response.Prove that the function f is one-to-one.f(x) = 6 - 
x
What will be an ideal response?
Assume that f(a) = f(b) for any numbers a and b in the domain of f.
Since f(a) = 6 - 
a and f(b) = 6 - 
b, we have
6 - 
a = 6 - 
b
- 
a = - 
b
a = b
Thus if f(a) = f(b) then a = b and f is one-to-one.
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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
Indicate whether the graph represents a consistent, inconsistent, or dependent system.
A. Consistent B. Inconsistent C. Dependent
Round the whole number to the given place value.659 to the nearest ten
A. 760 B. 650 C. 670 D. 660
Find the slope of the line determined by the given equation and then sketch the line.3x + 5y = 16
A. slope = 
B. slope = 
C. slope = - 
D. slope = - 
