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3 years ago

Please halp!This is very important to me!

Mathematics

2 answers:

Igoryamba3 years ago

6 0

39. FALSE
40. Where is the answer?

Luda [366]3 years ago

5 0

First you subtract 4,724 - 300. that gives you 4,424. then you multiply that by 5.

5(4,424) = 22,120

Available seats are:
4724 - 300 = 4424 seats

the total number of tickets sold for 5 games:
4424(5) = 22,120 tickets

therefore your answer will be: (C) my friend.

hope this helps!!!!!!

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Step-by-step explanation:

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3 years ago

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qaws [65]

Answer:

a) Y(x) = {900, x≤30; 900-40(x-30), x>30}

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Step-by-step explanation:

a) The problem statement gives the function for x ≤ 30, and gives an example of evaluating the function for x = 35. So, replacing 35 in the example with x gives the function definition for x > 30.

$\displaystyle Y(x)=\left\{\begin{array}{lcl}900&\text{for}&x\le 30\\900-40(x-30)&\text{for}&x>30\end{array}\right.$

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$\displaystyle\frac{dT}{dx}=\left \{\begin{array}{lcl}900&\text{for}&x\le 30\\2100-80x& \text{for}&x>30\end{array}\right.$

_____

The attached graph shows the yield per acre (purple, overlaid by red for x<30), the total yield (black), and the derivative of the total yield (red). You will note the discontinuity in the derivative at x=30, where adding one more tree per acre suddenly makes the rate of change of yield be negative.

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