Me with my math. annie says all of the graphs in problem 1 are functions. (a) do you agree with annie that all of the graphs are functions? support your answer with reasoning. (b) annie's brother claims, “a graph of the balance in a bank account over time will always be a function.” do you agree or disagree with him? explain why. (c) annie's sister says to her brother, “i think you got it backwards. i think you meant to say that any function could represent the amount of money in a bank account.” do you think annie's sister's statement is true or false? explain why.