Which statement best describes the domain and range of f (x) = - (7) x and g (x) = 7x?

B). f (x) and g (x) have the same domain but different ranges.

Step-by-step explanation:

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The domain and the range of the functions are any real number i. e set R.

Step-by-step explanation:

We are given two functions f (x) = - 7x and g (x) = 7x

Now, it is clear from the above functions that the functions are valid for any real value of x and the corresponding values of y are also real.

Therefore, the domain and the range of the functions are any real number i. e set R. (Answer)