Sales of energy-efficient compact fluorescent lamps in China have been growing
Chapter 4, Problem 70(choose chapter or problem)
Sales of energy-efficient compact fluorescent lamps in China have been growing approximately exponentially. Table 4.18 shows the sales in millions.29 (a) Use a calculator or computer to find the exponential regression function for sales, S (in millions), as a function of the number of years, t, since 1994.(b) Plot the function with the data. Does it appear to fit the data well? (c) What annual percent growth rate does the exponential model show? (d) If this growth rate continues, what sales are predicted in the year 2010?
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