A chemical has been introduced into a colony of one million bacteria. The number of live bacteria is decreasing exponentially every minute. Which equation could model the number of live bacteria, b, in the colony n minutes after the chemical is introduced?​

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

898.1666667

step-by-step explanation:

5389/6 = 898.1666667

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4