Let x represent the number of years since 2005. The function R(x)=0.01x²+0.22x+1.08 represents the revenue (in millions of dollars) of Company A. In 2005, Company B had a revenue of $2.12 million. Company B's revenue increased by $0.32 million each year.

a. From 2005 to 2020, which company's revenue had a greater average rate of change?

1. Company A
2. Company B

b. Which company will eventually have a greater revenue?

1. Company A
2. Company B