The domain of the given function f(x) is "All real numbers". So, option B is correct.
What is the domain of a function?
The domain of a function is the set of possible values as inputs to the function.
The Domain of the exponential function is the set of all real numbers shown by R.
The given function is f(x) = 3×(1/4)^x
Since this function has the variable x in the exponent, this will be an exponential function.
So, The inputs are of all real numbers and the domain is {x:x ∈ R}.
Thus, option B is true.
Learn more about the domain and range of a function here:
brainly.com/question/1942755
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