White-sided jackrabbits: 9.7x2 – 0.8x + 2.3 Black-tailed jackrabbits: -1.1x2 + 7.7x + 5.4
What polynomial models the total number of white-sided and black-tailed jackrabbits?
A. -8.6x2 + 6.9x – 7.7
B. 8.6x2 - 6.9x + 7.7
C. 8.6x2 + 6.9x + 7.7
D. 8.6x2 – 6.9x – 7.7
