Decide whether the relation defines a function.

{(-3, -2), (3, 6), (4, 6), (7, -7), (10, -1)}

A. Function

B. Not a function

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?