There are a few answers to this
for example 1, 2 ,3 and 4 Or 2 ,2, 3 and 3.
Answer:
"The Quadratic Equation, Formula, & Discriminant. If ax² + bx + c = 0 then x = . The first equation is called the general form of a quadratic equation. The second equation is called the Quadratic Formula because it states the solution -- provides a formula for computing the simplified answer(s) by using the values of the first equation."
ANSWER
(-∞,+∞)
EXPLANATION
The given polynomial function is:

The domain refers to all values of x that make the function defined.
Polynomial functions are defined for all real values of x
The domain is the set of all real numbers.
This is written in symbolic representation as
(-∞,+∞)
Answer:
The answer would be A. (3,0)