The graph of $f(x)$ contains the point $(9, 4)$. What point must be on each of the following transformed graphs? Enter points as $(a,b)$ including the parentheses.

(a) The graph of $f(x - 6 )$ must contain the point help (points)

(b) The graph of $f(x) - 5$ must contain the point help (points)

(c) The graph of $f(x + 2 ) + 7$ must contain the point help (points)