The graph of quadratic function f is shown on the grid. 5 -3 -12 5 u 6 Which of these best represents the domain of f? А -5.5 < x < 1.5 B All real numbers less than or equal to 3 C All real numbers D y <3​

The graph of quadratic function f is shown on the grid 5 3 12 5 u 6 Which of these best represents the domain of f А 55 lt x lt 15 B All real numbers less than class=

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Answer:

C: All real numbers.

Step-by-step explanation:

Domain means the interval of x=values that the function resides in. Since this quadratic function can go to both positive and negative infinity, there are no limits to the x-values so therefore the domain is all real numbers.