Research and Development The table shows the amounts A (in billions of dollars per year)
Chapter 2, Problem 1(choose chapter or problem)
Research and Development The table shows the amounts A (in billions of dollars per year) spent on R&D in the United States from 1980 through 2004, where is the year, with corresponding to 1980. Approximate the average rate of change of A during each period. (Source: U.S. National Science Foundation) (a) 19801985 (b) 19851990 (c) 19901995 (d) 19952000 (e) 19802004 (f) 19902004
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