Solve the problem.The area C of a circle with radius length r inches is C = C(r) = ?r2.a. Find the average rate of change of the area C as the radius length r changes from r = 4 to r = 4.1.b. Find the average rate of change of the area C as the radius length r changes from r = 4 to r = 4.01.c. Find the instantaneous rate of change of the area C with respect to the radius length r at r = 4.(Express all answers in terms of ?.)
A. a. 8.1?
b. 8.01?
c. 16?
B. a. 328.1?
b. 3208.01?
c. 16?
C. a. 8.1?
b. 8.01?
c. 8?
D. a. 328.1?
b. 3208.01?
c. 8?
Answer: C
Mathematics
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