Prove the isolated and the interior points of a set must belong to the set, but give examples to show the limit points and boundary points of a set may or may not belong to the set.

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose