Name: SAT Math Help & School Math Mastery
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#15094

functions

exponential

applications

easy

45 sec

A rubber ball is dropped from an initial height of 30 feet. The maximum height reached after each bounce is $70%$ of the maximum height reached after the previous bounce. Which equation defines $h$ , where $h (n)$ is the estimated maximum height of the ball after it has bounced $n$ times?

A.

$h (n) = 30 (0.70)^{n}$

B.

$h (n) = 30 (0.30)^{n}$

C.

$h (n) = 70 (0.30)^{n}$

D.

$h (n) = 70 (0.70)^{n}$