Solve the Problem Find the Cubic Function of Best Fit to the Data

Essay

Solve the problem.
-The profits (in millions) for a company for 8 years was as follows: $$\begin{array} { c | c } \text { Year, } x & \text { Profits } \\\hline 1993,1 & 1.1 \\1994,2 & 1.7 \\1995,3 & 2.0 \\1996,4 & 1.4 \\1997,5 & 1.3 \\1998,6 & 1.5 \\1999,7 & 1.8 \\2000,8 & 2.1\end{array}$$ Find the cubic function of best fit to the data.