.,n, then the interpolating If we have a set of data points (xi, y) for i Lagrange polynomial is 0, ) ) (-) ( p(s)-, (),. 4()II where i=0 j0ji Given the following measurements: (0, -1), (1,2), (2,7), write down the l(x) and the full expression for p(x). Show that it is just x2 + 2x -1