The area of a circle increases at a rate of 6 cm? / s.a. How fast is the radius changing when the radius is 2 cm?b. How fast is the radius changing when the circumference is 4 cm?...a. When the radius is 2 cm, the radius is changing at a rate of(Type an exact answer, using a as needed.)b. When the circumference is 4 cm, the radius is changing at a rate of(Type an exact answer, using a as needed.)

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Answered: The area of a circle increases at a…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter3: Functions

Section3.3: Rates Of Change And Behavior Of Graphs

Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...

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The area of a circle increases at a rate of 6 cm /s. a. How fast is the radius changing when the radius is 2 cm? b. How fast is the radius changing when the circumference is 4 cm?