Sangeetha Pulapaka
0
  1. In 2105, 55% of companies used only overnight delivery service.
  2. x is the number of years after 2000 that 7% of companies used only overnight delivery service.
  3. C(15) is the percentage of homes using only overnight delivery service in 2015. C(x) = 7 means that x years after 2000, 7 percent of homes used only overnight delivery service.