Matlab:

The function y = ax 3 + bx2 + cx + d passes through the following (x,y) points: (-1, 8), (0, 4), (1, 10), and (2, 68). Use the left division operator \ to compute the coefficients a, b, c, and d by writing and solving four linear equations in terms of the four unknowns a, b, c, and d.