Question

Please hurry!!!!!!

At a concert, there were 200 people in the crowd when the band
vent on, 400 people after the first hour and 800 when the band
inished after 2 hours.
Which of the following represents the growth of the crowd during the
show?

Answer 1

y = 400(2ˣ)

Explanation:

it is that answer because 800-400=400 so that would rule out every answer but this one.

Answer 2

Answer is y =400(2x)

Explanation: