A kettle of boiling water cools in a warm kitchen.
x = the time that has elapsed in minutes.
y = the temperature of the kettle in degrees Celsius.
The function modeling this is: y 20+80 x (0.27)ˣ. By reasoning about the structure of the equation, answer the following questions in brief and complete sentences. Specify units where appropriate.
(a) What does the 20 represent?
(b) What does the 0.27 represent?