Business: Semiconductor Sales The following table shows worldwide sales for semiconducto...

Business: Semiconductor Sales The following table shows worldwide sales for semiconductors used in cell phones and laptop computers for recent years.

a. Number the data columns with x-values 1–3 ( so that x stands for years since 2010), use power regression to fit a power curve to the data, and state the regression formula. [Hint: See Example 7.] b. Use the regression formula to predict sales in 2020 [Hint: What x-value corresponds to 2020?]