Answer:
1
Step-by-step explanation:
The radius is half the size of the diameter.
2 / 2 = 1
This doesn't have enough information. it spend on ages, how many children per generation, if direct bloodlines only or adoption count, half relatives, etc.
The domain is all possible x values. For linear graphs, the domain is usually all real numbers.
The answer is 10
Hope this helps have a nice day ;)