I need help with the code for this!

Estimation of Traf c FIow The following data give the number of vehicles (in millions) crossing a bridge each year for 10 years. Fit a cubic polynomial to the data and use the 1 to estimate the ow in the year 2010. Estimation of Traf c FIow The following data give the number of vehicles (in millions) crossing a bridge each year for 10 years. Fit a cubic polynomial to the data and use the 1 to estimate the ow in the year 2010