Given the following three points, find by hand the quadratic function they represent: (-1, -8), (0, -1), (1, 2).

A. f(x)=−5x²+8x−1
B. f(x)=−2x²+50−1
C. f(x)=−3x²+4x−1
D. f(x)=−3x²+10x−1