Carla and Jordan were trying to solve the equation: (x+1)(x-1)=8 Carla said, "I'll multiply (x+1)(x-1) and rewrite the equation as x^2-1=8x 2 −1=8x 8. Then I'll add 1 both sides and take the square root." Jordan said, "The left-hand side is factored, so I'll use the zero product property."

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.