According to the National Coffee Association, the optimal

Last updated: 7/9/2022

According to the National Coffee Association, the optimal temperature to brew coffee is 205 degrees fahrenheit. At your local coffee stop the ambient temperature is a comfortable 68 degrees. A cup of coffee is brewed and poured at the N.C.A. optimal standard temperature previously stated. The cup is placed on the counter and forgotten. After 3 minutes, the coffee is 185 degrees. After 6 minutes, the coffee is 167 degrees. Write a function that models the exponential decay of the coffee's temperature with respect to the number of minutes that it sits and cools.