Final answer:
The domain of f(x) is the set of all real numbers.
Step-by-step explanation:
The domain of a function refers to the set of all possible input values (x-values) for which the function is defined. In this case, we need to find the domain of f(x). Without any specific information about the function, we can assume that the domain is the set of all real numbers, which is option A. This means that any real number can be plugged into the function and it will produce a valid output. To determine the domain of the function f(x), it's crucial to inspect the function itself for any potential restrictions.
If the function f(x) does not contain any explicit limitations, such as denominators with variables that could potentially equal zero or square roots of negative numbers, then the domain typically encompasses all real numbers.
Therefore, considering the information provided, the correct answer for the domain of f(x) is A) Set of all real numbers. This selection assumes there are no constraints explicitly stated within the function that would limit the possible values of x.