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U.S. Travel Exports. U.S. travel exports (goods and services that international travelers buy while visiting the United States) are increasing exponentially. The value of such exports, t years after 2011, can be approximated by
a. Estimate the value of U.S. travel exports in 2016 and 2018.
b. Estimate the growth rate for U.S. travel exports in 2016 and 2018.
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