Advanced indices questions may take several forms. One of these may require you to compare the magnitude of different expressions. For example:
Ifarrange in order of magnitude
Ifthenincreases with increasingso a bigger value ofmeans a bigger value of
Note thatand(1)
Sincewe have
Ifarrange in order of magnitude
Ifthendecreases with increasingso a bigger value ofmeans a smaller value of
Using (1) and thatand
Sincewe have