U.S. patents. The number of applications for patents, N, grew dramatically in recent
Chapter 3, Problem 7(choose chapter or problem)
U.S. patents. The number of applications for patents, N, grew dramatically in recent years, with growth averaging about 4.6% per year. That is, (Source: New York Times, 11/13/05, p. C1.) a) Find the function that satisfies this equation. Assume that corresponds to 1980, when approximately 112,000 patent applications were received. b) Estimate the number of patent applications in 2020. c) Estimate the doubling time for N(t).
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