In the set of problem, assume that the data can be modeted by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then answer the question. (See Example 1.)
Business The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, stood at 168.8 in January 2000 and 211.1 in January 2008. Let x = 0 correspond to 2000, and estimate the CPI in 2005 and 2011.
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