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i need help please explain

I Need Help Please Explain class=

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Answer:

9 < p < 15

Step-by-step explanation:

Given that the price, p, is expressed as a function of age, a, or p (a )

This means that the age is the input, while the ticket prices for the baseball game are the output.  In other words, the output values depend on whichever input value is plugged into the function.  The domain in the given function is the set of values within the age group, between 12 and under, to seniors 65 and up.

The value of the output depends on which age group is used as an input. For instance, if the input value is a = students 13 - 17, then its output will be $13.  We can express this as p(students 13 - 17) = $13.

Since the the range corresponds to the resulting set of all values taken on by the output, and the prices vary between $9 through $15,then it must be the case that the range is: 9 < p < 15.  

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