The rate of change of the area of a circle with respect to its radius when is

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

The rate of change of the area of a circle with respect to its radius

r

when

r = 6

is (A)

10\pi

(B)

12\pi

(C)

8\pi

(D)

11\pi

Related theory

Differentiation Rules
Derivatives of standard functions via chain rule

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