Aball is dropped from a certain height. the function below represents the height f(n), in feet, to which the ball bounces at the nth bounce.

f(n) = 9(0.7)n

what does the number 9 in the function represent?

number of times the ball was dropped.

height from which the ball was dropped.

height to which the ball will bounce at the nth bounce.

number of times the ball bounces at the nth bounce.