Air is escaping from a balloon at a rate of R(t) = 60/(1+t(adsbygoogle = window.adsbygoogle || []).push({}); ^{2}) cubic feet per minute, where t is measured in minutes. How much air, in cubic feet, escapes during the first minute?

dr/dt = 60/(1 + t^{2})

if I plug the time in (1) for (t) I should get 60/2 or 30

This seems a tad bit too easy compared to the rest of the problems I have been doing.

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# Air escaping from a balloon

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