A Spherical Balloon Is Being Inflated $S = 4 \pi r ^ { 2 }$

question 30

Short Answer

A spherical balloon is being inflated. Find the rate of increase of the surface area $S = 4 \pi r ^ { 2 }$ with respect to the radius $r$ when $r = 1 \mathrm { ft }$ .

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Official records that detail a company’s financial activities and condition, including balance sheet, income statement, and cash flow statement.