Tom puts a cup of tea in his microwave oven He knows that the final temperature of the water will be a function of the number of seconds he heats the water. Zack names this function Temperature(seconds), and he abbreviates the name T(s). there are more than one answer to this question
a-t(30) is the time it takes to get 30'C
b-t(40) is the temperature after 40 sec
c-t(60)is the temperature of the tea after 1 min