Are there any dimensions given? because we need to know the length and width before we start.
Answer:
Step-by-step explanation:
Answer:
im not sure but i think it might be d
Step-by-step explanation:

Explanation:
Area is pi×r^2 and you times it by the fraction of the circle you have as its not a full circle.
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).