Exponential relationships are relationships where one of the variables is an exponent. So instead of it being '2 multiplied by x', an exponential relationship might have '2 raised to the power x': Usually the first thing people do to get a grasp on what exponential relationships are like is draw a graph.
Step-by-step explanation: If it is two minutes before then they would say t-minus two minutes. Two minutes after would be t-plus two minutes, and so on. Please correct me of any mistakes.