Answer: This is a guess I am not that smart
c. Both have been impacted by overgrazing and radioactive pollution.
I believe 100mg. I'm not so sure though but, you can always check google you know..
The domain is {-8}
The range is {5,6,7,8}
The relation is not a function as the domain value -8 maps to multiple values. All domain values in a relation needs to map to exactly one range value for it be a function.
Answer:
Może być odpowiedź c ja ne wiem