An airline operates in only 10 destinations in 2015, but plan on adding more destinations each year. In 2016, the number of destinations will be twice the initial number of destinations. Then, in 2017, the number of destinations will be twice the number of destinations the previous year. If this pattern continues, which of the following graphs represents the number of destinations in which the airline will operate over time? A. Graph X B. Graph W C. Graph Y D. Graph Z

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