B. x > 9
D. The graph has open circle.
F. The arrow to the right.
⇒ 2 < x - 7
⇒ 2 + 7 < x
⇒ 9 < x
⇒ x > 9
Here as the inequality sign is ">" it will be a open circle.
Note: "≤" and "≥" inequality signs have closed circle.
As x > 9, the arrow points will be towards right.