Select the correct answer from each drop-down menu. A new company is looking to expand its business. The table shows the number of months, x, that have passed since the company was established, and the number of employees, f(x), at each time period.
x02468
f(x)231547182

Use the data in the table to create the standard form of the function that models this situation.
f(x) = x2 + x +