Question

The domain of a function is

Answer 1

Answer:

B.the set of all first elements of the function

Step-by-step explanation:

the domain is all the x variables in a function

Answer 2

Answer:

B. The set of all first elements of the function.

Step-by-step explanation:

We have been given a incomplete sentence. We are asked to complete our given sentence.

We know that the domain of a function is all real values of independent variable for which a function is defined and gives exactly one output.

We know that independent variable is x, which is first element of a point, therefore, the domain of a function is the set of all first elements of the function.