It takes him 1 1 2 hours to drive to the airport and he then waits 2 3 4 hours before boarding his flight. the flight takes 2 1 3 hours.

you are right the flight does take 213 hours

answer:

what is your question that you ask

step-by-step explanation:

answer:

at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.  

so that's an initial value of 1000 and a ratio of 2,

y = 1000 (2^x)

hope this !