What is the sum of the polynomials?

(–x2 + 9) + (–3x2 – 11x + 4)

–4x2 – 2x + 4
–4x2 – 11x + 13
2x2 + 20x + 4
2x2 + 11x + 5

The sum of the polynomials is -4x^2 - 11x + 13.