Answer:
All real numbers
Step-by-step explanation:
The domain of the function is the set of real values that can be substituted into a function to produce a valid output. Any real number can be substituted into the function (y = x), and produce a valid output. Thus, the domain is all real numbers.
Answer:
A. 3t = 600t + 12,000
Step-by-step explanation:
It would be A because if the tortoise is going 3 inches per second then that would be your ending point and since the hare is going 600 inches per second then you would have to add 12,000 to 600t because the tortoise is 12,000 inches in front of the hare.