Answer:
Car b
Step-by-step explanation: Because it’s going higher on the graph because it’s going more straight than car a which is going more sideways
So in 10 years, the population will double.
8 years is just before doubling to 6800.
If you consider 10 years to be 100% of the doubling time, 8 years is 80%.
And 80 as a decimal is 80/100 = 0.8
So the answer is 0.8 * 6800, simplify.