Question

Of
5
What is

Domain

Answer 1

Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis.

Explanation:

(hope this helps :P)

Answer 2

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. y=−5 is a straight line perpendicular to the y-axis at point (0,−5), which means that the range is a set of one value {−5}.