Rocio drops a ball from a height of 4 meters. Rocio observes that each time the ball bounces, it reaches a peak height which is 79% of the previous peak height, as shown at left. Which of the following equations correctly models the ball's peak height, h, in meters, after b bounces?
1 answer:
The exponential equation that correctly models the ball's peak height, h, in meters, after b bounces is given by:
<h3>What is an exponential function?</h3>
A decaying exponential function is modeled by:
In which:
A(0) is the initial value.r is the decay rate, as a decimal.
In this problem:
Rocio drops a ball from a height of 4 meters, hence A(0) = 4 . Each time the ball bounces, it reaches a peak height which is 79% of the previous peak height, hence 1 - r = 0.79.
Thus, the equation is given by:
More can be learned about exponential equations at brainly.com/question/25537936
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Answer:
$79.08
Step-by-step explanation:
Find 20% of 65.90. 20% as a decimal is 0.20. Multiply 0.2 and 65.90.
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Add 13.18 to the original price.
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