BUSINESS: Hybrid Cars Total U.S. sales of hybrid cars (using both gas and electr...

BUSINESS: Hybrid Cars Total U.S. sales of hybrid cars (using both gas and electric motors) for recent years are shown in the following graph.

a. Number the bars with x-values 1–5 (so that x stands for years since 2004) and use exponential regression to fit a curve to the data. State the regression formula. [Hint: See Example 12.]

b. Use the regression function to predict sales in the year 2015.

Reference : Example12