Recently, tablet computer sales in the United States have been growing approximately linearly. In 2011 sales were 70 million units, and in 2013 sales were 146 million units. a. Use the two (year, sales) data points (1,70) and (3,146) to find the linear relationship y=m x b between x= years since 2010 and y= sales (in millions). b. Interpret the slope of the line. c. Use the linear relationship to predict sales in the year 2020 . Note: Tablet computers include iPads, Kindles, and Nooks. | Numerad

Apple owns the US tablet market, and Mac sales are surging

Despite decline in iPad sales, Apple remains #1 in combined PC & tablet sales - 9to5Mac