Calculus Maximus
Notes: 2.9 Exp Functions
Example 10:
(Calculator Permitted) A glass of cold milk from the refrigerator is left on the counter on a hot summer day.
(
)
t
F =
−
Its temperature, F, (in degrees Fahrenheit) after sitting on the counter t minutes is
.
72 30 0.98
(a) What is the temperature of the refrigerator?
(b) What is the temperature of the room?
(c) How fast is the milk warming when it is first removed from the
refrigerator? Explain your answer in a complete sentence.
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