How you want people to accept you when you can't even accept yourself

Based on the figures as marked, /\rqs = —

For which pair of functions is (gof)(a)=|a|-2?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?