​A population of bacteria can be modeled by the function ​f​(​t​) = 400(0.98)​ t​ , where ​t​ is time in hours. Which of the following best describes the rate of change in the function?

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points