A linear function is shown on the graph. A linear function beginning with open circle at negative 3 comma negative 5 and ending with an open circle at 3 comma 7. What is the domain of the function? {y | −5 ≤ y ≤ 7} {y | −5 < y < 7} {x | −3 ≤ x ≤ 3} {x | −3 < x < 3}