> 2000 years ago the world population was somewhere around 300 million people. Today we are at 6.94 billion people. That's clearly exponential growth. You can

> 2000 years ago the world population was somewhere around 300 million people. Today we are at 6.94 billion people. That's clearly exponential growth. You can identify exponential growth from two data points? (Yes, population growth is exponential - I'm just pointing out that the data given doesn't "prove" that.)