Multiple Choice
A cup of coffee is heated to F and placed in a room that maintains a temperature of
F. The temperature of the coffee after t minutes is given by
. Use a graphing utility to determine when, to the nearest tenth of a minute, the temperature of the coffee will reach
F.
A) 26.8 min
B) 2.9 min
C) min
D) 13.6 min
E) 42.3 min
Correct Answer:

Verified
Correct Answer:
Verified
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