What is the domain of the function represented by this graph?

the graph of a quadratic function y = x^2 – 4 with a minimum value at the point (0,-4)

A.
x ≥ 4
B.
x ≤ 0
C.
-2 ≤ x ≤ 2
D.
all real numbers

Respuesta :

Answer:  D

Step-by-step explanation:

all real numbers

The domain of the function should be all real numbers.

What are real numbers?

Real numbers refer to the numbers that involved both rational and irrational numbers. Rational numbers like integers,  fractions, etc while on the other hand, irrational numbers like the square roots numbers,  etc.

Therefore, we can conclude that the domain of the function should be all real numbers.

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