Which of the following are examples of exponential growth? select all that apply

shasta increases the amount she saves each month by 5%.

the population over the last decade of the black rhino is such that it is nearing extinction.

a tennis tournament starts with 64 participants. each round, half the players are eliminated.

the amount of cell phone subscribers in a small town increases by 75% each year.

the price of a stock goes up 12% each year.