Does anybody know the answer to this?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

When y’all answer can y’all explain too !

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?