[HELP FAST] Write an equation of the line below.

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36