Concept explainers
Scientific Research The number z of research articles in Physical Review that were written by researchers in the United States from 1993 through 2003 can be approximated by
a. In 2000, approximately 5,500 articles were written by researchers in Europe, and 4,500 were written by researchers in other countries. How many (to the nearest 100) were written by researchers in the United States?
b. According to the model, if 5,000 articles were written in Europe and an equal number were written by researchers in the United States and other countries, what would that number be?
c. What is the significance of the fact that the coefficient of x is negative?
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Finite Mathematics and Applied Calculus (MindTap Course List)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage