Andrew is a small business owner who wants to hire an accountant. accountant a is offering his services for $50 an hour. accountant b is offering her services for $35 an hour plus an initial fee of $375. write a function, f(x), to represent the cost charged by accountant a. write a function, g(x), to represent the cost charged by accountant b. for how many hours of work do the two accountants charge the same amount of money?