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

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland