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aliya0001 [1]
3 years ago
14

The revenue from selling xshirts is r(x) 15x The cost of buying x shirts is c(x) 7x + 20. The profit from selling xshirts is px)

x) (x) What is p(x)?
Mathematics
2 answers:
timurjin [86]3 years ago
5 0

The profit would be the difference between the total amount earned after selling each and every shirt and the costs of buying them so

p(x)= r(x)- c(x)

7x-20?

MrRa [10]3 years ago
3 0

Answer:

The revenue will be the difference between the revenue and the cost.

So if the revenue for X shirts is r(x) = 15x and the cost is c(x) = 7x + 20

the profit will be p(x) = r(x) - c(x) = 15x - 7x -20 = 8x-20

where you can see that your profit starts to be positive when you sell at least 3 shirts.

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Step-by-step explanation:

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\displaystyle \begin{aligned} B^\prime(t)&=24.6\frac{d}{dt}[\sin(\frac{\pi t}{10})(8-t)] \\ \\ &=24.6[(\frac{\pi}{10}\cos(\frac{\pi t}{10}))(8-t) - \sin(\frac{\pi t}{10})] \end{aligned}

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