The graph of contains the point . What point must be on the following graphs? Enter points as including parentheses.

(a) The graph of must contain the point help (points)

(b) The graph of must contain the point help (points)

(c) If is an even function, then graph of must also contain the point help (points)

(d) If is an odd function, then graph of must also contain the point help (points)

You can earn partial credit on this problem.