Respuesta :

Answer:

(1,9)

Step-by-step explanation:

For a function, each x value has only one y value. 2, 3, and 4 are already used up.

(1,9)

cdessafaith2007

Answer:

(1, 9)

Step-by-step explanation:

(1, 9) is the only possible answer,because the others have the same domain above the question, so they can't be a function