[Solution Library] Suppose that the area of a circle is increasing at the rate of 3 units ^2 / second. How fast is the radius increasing when the radius is 4
Question: Suppose that the area of a circle is increasing at the rate of 3 units \(^{2} /\) second. How fast is the radius increasing when the radius is 4 units? (Recall that the area of a circle of radius \(r\) is \(\pi r^{2}\).)
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Solution: Let A be the standard matrix of a linear transformation
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Confidence Interval for Proportion Calculator - MathCracker.com