total value of world exports (in billions of dollars) 7. This graph relates the total value of world exports (internationally traded goods) in billions of dollars to the number of years since 1950. Define variables to represent the values of the varying quantities in this situation. b. Interpret the meaning of the point (17.5, 1000). As the number of years since 1950 increases from 10 to 20 years what is the change in the number of years since 1950? Represent this change on the graph. d. As the number of years since 1950 increases from 10 to 20 years what is the corresponding change in the total value of world exports (in billions of dollars)? Explain how you determined this value and represent this change on the graph. a. 2000- с. 1000 (17.5, 1000) 10 20 30 Number of years since 1950

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