ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.

Answer: B. x is all real numbers.
Step-by-step explanation: The domain of a graph is how far the x value can go left or right. Because this is a horizontal line, the domain or x could be any value.
Answer:
B
Step-by-step explanation:
The domain refers to all values of x for which we have a value of y.
In the graph above for all values of x either negative or positive, the values of y =1.5 ; hence,
All real numbers either positive or negative are the domains of this function.