Answer:
its -26^14 i believe
Step-by-step explanation:
By the chain rule,

so

It's kinda hard to tell which values are which in the table, but if I had to guess, you should get
Formula:
(3.14)r^2
Larger one:
(3.14)(3)^2
28.26 * 13
367.38 in^2
Smaller one:
(3.14)(3)^2
28.26 * 8
226.08 in^2