The average annual salary of the employees of a company in the year 2005 was $70,000. it increased by the same factor each year and in 2006, the average annual salary was $82,000. let f(x) represent the average annual salary, in thousand dollars, after x years since 2005. which of the following best represents the relationship between x and f(x)? f(x) = 70(1.17)x f(x) = 82(1.17)x f(x) = 70(2.2)x f(x) = 82(2.2)x