-1, -4 because 2+3(-1)= -1 and 4+8(-1)= -4
Answer:
2.4x+15.2
Step-by-step explanation:
It opens upward and the vertex is (2,-6) here are some plotted points: (0,6),(1,-3),(2,-6),(3,-3),(4,6). Hope that helps. I hate graphing but if you do it enough times you'll get the hang of it!
I think think that the answer is 4096, but I am not for sure.