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the temp. of a liquid at a chemical plant during a twenty minute period is f(t)=90-4tan(t/20) where f(t) is degrees Fahrenheit and 0=t=20, t is...
the temp. of a liquid at a chemical plant during a twenty minute period is f(t)=90-4tan(t/20) where f(t) is degrees Fahrenheit and 0<=t<=20, t is measured in minutes.at what value of t is the temperature changing the fastest?
The temp. of a liquid at a chemical plant during a twenty minute period is f(t)=90-4tan(t/20)where f(t) is degrees Fahrenheit and 0<=t<=20, t is measured in minutes.at what value of t is...