Match the equation to the graph.
- 
= 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Verify the integration formula.
sech-1 x + 
+ C
A. Yes B. No
Mathematics
Find numbers a and b, or k, so that f is continuous at every point.
A. k = 
B. k = 5
C. k = 
D. k = - 
Mathematics
Add or subtract as indicated. Simplify if necessary.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In a survey of 52 hospital patients, 24 said they were satisfied with the nursing care, 23 said they were satisfied with the medical treatment, and 6 said they were satisfied with both. How many patients were satisfied with neither? How many were satisfied with only the medical treatment?
A. 18; 17 B. 17; 23 C. 11; 17 D. 11; 23
Mathematics