A rubber ball is dropped onto a hard surface from a height of 5 feet, and it bounces up and down. At each bounce it rises to 85% of the height from which it fell. a) ) Find a formula for h(n), the height in inches reached by the ball on bounce n. b) How high will the ball bounce on the 9th bounce? c) How many bounces before the ball rises no higher than an inch?

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.