Question

Select the correct answer.What is the domain of the function f(x) = x + 3x + 5?A. all whole numbersB. all positive real numbersC. all integersD. all real numbersRasatWats the answer

Answer 1

The given function is:

`f(x)=x+3x+5`

The domain is the set of all x-values for which the function is defined.

We can observe in this function, we don't have any restrictions on the domain, since the function is defined for any real number.

So, the domain is all real numbers.

Answer: D.