How would a rise in business investment affect the aggregate demand curve?

a. The aggregate demand curve becomes more horizontal.

b. There is no change of the aggregate demand curve.

c. The aggregate demand curve shifts to the left.

d. The aggregate demand curve shifts to the right.

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.