Its depth increases 14 meters every minute since its traveling 14m a min, which can be found by divding the distance and time by 11 reducing it to the distance traveled in a min<span />
The answer is C because r =3 I got that because it says triples. a=5 it comes from when it says five files are infected. an=3an-1. an=5(3)n-1. Hope this helps!