C)
Answer: the correct option is D
Explanation:
From the information given,
f^-1(x) = (x - 3)/7
The domain is the set of all values of x that satisfies the function. For the given function, it the set of all real numbers.
The range is the set of all values of y that satisfies the function. For the given function, it the set of all real numbers.
Thus, the correct option is D
