Help me find the inverse: f(x)= -2/x -2

Through non-collinear points there is exactly one plane.

Which of the following is the result of expanding the series

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.