Question

P(x)=90(1+1.5x)/1+0.5x One month atfer the fish are first place in the aquarium, what is the total number of fish?

Answer 1

what does x stand for?

Answer 2

if x is months, i.e. if P(x) means the population in "x" months, replace x by 1 and see what you get

Answer 3

Where P is the number of fish and x is the number of months since the fish were place in the aquarium.

Answer 4

my bad :)