Ineed who can me i would really appreciate it if someone answers this

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Which of the functions graphed below has a removable discontinuity?

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.