An insect population in a controlled laboratory environment is increasing exponentially. Two days after the population was established, there are 200 insects, and after 2 more days, there are 400 insects. How many insects will there be 6 days after the population was established?

Question

anonymous · Answer

A) 800 
B) 888 
C) 864 
D) 960

anonymous · Answer

Initiay A insects and exponential growth 

$$P=Ae^{bt}$$
substitute both the values and find A,b

anonymous · Answer

i would double again and get 800

anonymous · Answer

i feel as though 800 is too easy of an answer

anonymous · Answer

what formula is that?

anonymous · Answer

double every two days
day 2, 200, day 4, 400, day 6, 800 done

anonymous · Answer

that is the eyeball formula that says it double every two days