The Temperature T, in Degrees Fahrenheit, of a Cup of Coffee

question 6

Multiple Choice

The temperature T, in degrees Fahrenheit, of a cup of coffee t minutes after it is poured is given by ​ .
​
When does the temperature of the coffee reach 150 degrees? Round your answer to two decimal places if necessary.
​

• A) After 15.6 minutes
• B) After 65.49 minutes
• C) After 63.54 minutes
• D) After 20.2 minutes

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