The graph of an exponential function is given. Select the function for the graph from the functions listed.
A. f(x) = 2x + 1
B. f(x) = 2x - 1
C. f(x) = 2x - 1
D. f(x) = 2x
Answer: B
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Match the system of inequalities with one of the graphs.y ? -x2x + y ? -2
A. 
B. 
C. 
D. 
Use the Ratio Test to determine if the series converges or diverges.
A. Diverges B. Converges
Express the product as a sum or difference.cos 3x cos 2x
A. 
(cos 5x - cos x)
B. cos2 6x2
C. 
(cos x + cos 5x)
D. 
(cos 5x - sin x)
A small town has only two dry cleaners, Fast and Speedy. Fast hopes to increase its market share by conducting an extensive advertising campaign. The initial market share for Fast was 40% and 60% for Speedy. Solve the problem.Find the probability that a customer using Fast initially will use Fast for his second batch of clothes. Use the following transition matrix.FastSpeedy 
A. 0.27 B. 0.71 C. 0.29 D. 0.73