Blahdjwj6784 Blahdjwj6784 10-06-2018 Mathematics contestada Which of the following functions best describes this graph? A. y = x^2 – 9x + 20 B. y = x^2 + 9x + 20 C. y = x^2 – 8x + 18 D. y = x^2 + x – 12