if y = mx + b, then m is the slope and b is the "ordonnée à l'origine" (that's the word in French because I learned that part of my math in French).
Apart from a straight line, this equation makes think that the plants need water, so this is what I'll do sometime tomorrow at work, water the fucking plants.
Except with soy whipped cream too. I saw some at Whole Foods so don't tell me it doesn't exist.