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PRE-CAL HELP PLEASE (see attachment)

PRE-CAL HELP PLEASE (see attachment)-example-1

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Answer:



\lim_(x \to \infty) (2500 + 17(x-100))/(x)=17


Step-by-step explanation:


1) Charges are:

Flat fee: 500
First 100 tickets: 20(100) = 2000
Tickets over 100: 17 ( x - 100), where x is the number of tickets.

2) Total charges: 500 + 2000 + 17(x - 100) = 2500 + 17(x - 100)

3) Average cost per ticket = total charges / number of tickets

⇒ [2500 + 17(x - 100) ] / x


4) limit as the number of tickets, x, becomes very high ⇒ x → ∞


\lim_(x \to \infty) (2500 + 17(x-100))/(x)

5) And the value of that limit is equal to 17, as shown below:


2500 / x + 17x / x - 1700/x = 0 + 17 + 0 = 17
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