Y + 1 = -4(x + 1)
Graph the equation

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?

Aof 12 , we to a of 4 to on a .of 4 be ?

Ineed the solution to this problem and the steps.