Wildlife The graph shows the numbers of threatened and endangered fish species in the

Chapter 1, Problem 102

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Wildlife The graph shows the numbers of threatened and endangered fish species in the world from 1996 through 2003. Let represent the number of threatened and endangered fish species in the year (Source: U.S. Fish and Wildlife Service) (a) Find and interpret the result in the context of the problem. (b) Find a linear model for the data algebraically. Let represent the number of threatened and endangered fish species and let correspond to 1996. (c) Use the model found in part (b) to complete the table. (d) Compare your results from part (c) with the actual data. (e) Use a graphing utility to find a linear model for the data. Let correspond to 1996. How does the model you found in part (b) compare with the model given by the graphing utility?

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