Find the radius of convergence of the power series.
A. 0
B. ?
C. 2
D. 1
Answer: D
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Suppose that two firms are identical in all aspects except for their credit policies. The days sales outstanding (DSO) of Firm A is 20 days and the days sales outstanding (DSO) of Firm B is 30 days. Which of the following statements about the firms is correct?
A. Firm A takes more time to collect its receivables than Firm B. B. Firm A has tighter credit terms than Firm B. C. Firm A has a weaker collection team than Firm B. D. Firm A provides less discount to its customers to pay its bills early than Firm B. E. Firm A has weaker receivables monitoring system than Firm B.
Match the graph with its exponential function.
What will be an ideal response?
Graph the inequality on the number line.x < -6
A. 
B. 
C. 
D. 