I’m very stressed. will get ! zoom if u can’t see.

#14:
It asks you to find the n-intercept for the equation you found. It seems like the one you found is (again if I'm wrong, tell me):


To find the n-intercept, you just have to set the equation equal to 0, and solve for t, and when you get a value for t, that's when the function has a n-intercept. So let's do that:


Solve for t:

And that's when the function has a n-intercept, at t=18.667 years.

#15:
The n-intercept for this authentic situation means that in 18.667 years, there will be no countries with fuels for atomic bomb, given the trend right now.

#16:

And that's it.

#17:


This means that there will be only 2 countries with fuel for atomic bomb left in the world by the year 2018.

#18:


This means that there will be 26 countries in 2010 that have fuel for an atomic bomb.