4 A circle is growing so that the radius is increasing at the rate of 5 cm min How fast is the area of the circle changing at the instant the radius is 20 cm Include units in your answer (10 points) 5 The side of a square is measured to be 16 ft with a possible error of 0 1 ft Use linear approximation or differentials to estimate the error in the calculated area Include units in your answer (10 points)

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Question: 4. A circle is growing so that the radius is increasing at the rate of 5 cm/min. How fast is the area of the circle

A circle is growing so that the radius is increasing at the rate of 5 cm/min. How fast is the area of the circle changing at the instant the radius is 20 cm? Include units in your answer. (10 points)

The side of a square is measured to be 16 ft with a possible error of 0.1 ft. Use linear approximation or differentials to estimate the error in the calculated area. Include units in your answer. (10 points)

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