Find the vertex.f(x) = x2 - 7
A. (7, 0)
B. (-7, 0)
C. (0, 7)
D. (0, -7)
Answer: D
Mathematics
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Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Solve the problem.A survey of senior citizens at a doctor's office shows that 57% take blood pressure-lowering medication, 40% take cholesterol-lowering medication, and 3% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medication? Round to the nearest hundredth.
A. 0.94 B. 0 C. 0.97 D. 0.20
Mathematics
Write the mixed number as an improper fraction.2
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator.
A. 
B. 
- 
C. 
D. 
Mathematics