A science geek brews tea at 195195 °F, and observes that the temperature T(t)T(t) of the tea after tt minutes is changing at the
rate of T'(t)=−4.5e−0.07tT′(t)=−4.5e−0.07t °F/min. What is the average temperature of the tea during the first 55 minutes after being brewed? Round your answer to the nearest hundredth of a degree.
1 answer:
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