The area of a circle is decreasing at a constant rate of 211 square meters per minute. At the instant when the area of the circle is 81 pi square meters, what is the rate of
change of the radius? Round your answer to three decimal places.

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up