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zhannawk [14.2K]
10 months ago
15

a ball is dropped from a height of 20 feet above the ground. The velocity v(s) of the ball after it has travelled a distance of

s feet is modeled by the function v(s)=60s. what is the domain of the function v(s) in terms of the context?
Mathematics
1 answer:
Lana71 [14]10 months ago
4 0
<h2>We know that</h2>

The initial height is 20 feet above the ground.

The function to model the velocity is

v(s)=60s

Where <em>s</em> represents the distance in feet.

Mathematically, this function has all real numbers as a domain. However, that will no make sense for this situation, because it would use negative numbers for the distance <em>s</em> which does not make sense.

Therefore, the domain, in this case, would be all real numbers greater than or equal to zero, but less than or equal to 20.

<em>The reason for this domain is that the ball will go from 20 feet above the ground to zero feet on the ground.</em>

<em />

Using interval notation would be

D\colon\lbrack0,20\rbrack

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