3. The temperature inside a vehicle is modeled by the function f, where f(t) is measured in degrees Fahrenheit and t is measured in minutes. The first derivative of f is given by f'(t) = t2 - 3t+ cost. At what times t, for 0

College Algebra
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ISBN:9781337282291
Author:Ron Larson
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Chapter5: Exponential And Logarithmic Functions
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Hi, I know to put the derivative equal to zero but am need help solving from there.

3.
The temperature inside a vehicle is modeled by the function f, where f(t) is measured in degrees Fahrenheit
and t is measured in minutes. The first derivative of f is given by f'(t) = t2 - 3t+ cost. At what times t, for
0<t< 4, does the temperature attain a local minimum?
0.354 only
3.299 only
1.962
0.354 and 3.299
Transcribed Image Text:3. The temperature inside a vehicle is modeled by the function f, where f(t) is measured in degrees Fahrenheit and t is measured in minutes. The first derivative of f is given by f'(t) = t2 - 3t+ cost. At what times t, for 0<t< 4, does the temperature attain a local minimum? 0.354 only 3.299 only 1.962 0.354 and 3.299
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