50.24. I used the formula for area of a circle and that’s what I got.
Answer:

Step-by-step explanation:
The equation of a parabola: y = ax²
The larger the value of |a|, the narrower the parabola.
We have the following coefficients a:

We arrange the coefficients from the smallest to the largest:

Therefore you have the answer:

Answer:

Step-by-step explanation:
hope this helps