And one time, when he finally got his box of Frosted Flakes back, it was crawling with roaches.

If the poison doesn't kill the roaches outright, they take it back with them to the harborage, where it is ingested or absorbed by members of the colony.

I patted myself on the back the glue traps were gathering lint, but nothing else. We've seen a few roaches, all in the middle of the night, but I quickly hunt them down and whack them with a rolled up newspaper.

That if the limit as x roaches c of f of x is equal to 0, and the limit as x approaches c of g of x is equal to 0, and and this is another and and the limit as x approaches c of f prime of x over g prime of x exists and it equals L. then so all of these conditions have to be met.