Which of the following functions best describes this graph?
A. y = x^2 + x - 12
B. y = x^2 - 9x + 18
C. y = x^2 + 9x + 18
D. y = x^2 - 5x + 6
![Which of the following functions best describes this graphA y x2 x 12B y x2 9x 18C y x2 9x 18D y x2 5x 6 class=](https://us-static.z-dn.net/files/d05/4320df9b26ce15176005f318bd79dc07.jpg)