7.
Fit a quadratic function to these three points:

(−1, −11), (0, −3), and (3, −27)

y = −4x^2 − 4x + 3

y = −4x^2 − 4x − 3

y = −4x^2 + 4x − 3

y = 4x^2 − 4x − 3