I don't know how to solve this but you can go to desmos.com and it will graph it for you.
Hope this helps make your life easier!
Answer:
addition property
Step-by-step explanation:
I think it is not possible to find a certain equation from just a given points, it must have more given information because there is a lot of parabola pass throw (-1,1).
Answer:
10.717
Step-by-step explanation:
15.31×0.7 = 10.717