Which is an exponential decay function

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Use set builder notation to represent the following set: { -3, -2, -1, 0}

What are the exclude value of mn+3m