Answer:
a
Step-by-step explanation:
Because I did this already
(10^2 +10^2)^.5 = 10*(sqrt2)
The domain of a certain function are all possible values of x that are applicable to the function or can make the function true. For this certain function, the domain is from the time that the book was released to the time that the sales was also zero due to steady decline in sales.
