Read the situations below and determine which relationship is not functional. Situation 1: a cell phone bill to the amount of minutes used
Situation 2: the perimeter of a square to the length of one of the sides of a square
Situation 3: the total amount of money charged monthly on credit cards to the number of credit cards owned
Situation 3 does not represent a function.
This is because The same number of credit cards can have different totals.