## 7. You are trying to sell a product. If you set the price at x dollars, your profit is P(x)=-x2+30x-100. What price maximizes

Question

7. You are trying to sell a product. If you set

the price at x dollars, your profit is

P(x)=-x2+30x-100.

What price maximizes your profit?

8. You are going to renovate your store. If you

use fewer workers, then it costs less money to

do the work, but you lose more revenue while

the store is closed. Suppose that when you

use x workers, it costs 1000+40×12 to do the

work and you lose 1000x-12 in revenue. Then

the total cost of the project is

C(x)=1000+40×12+1000x-12.

How many workers should you use if you

want to minimize the cost of the project?

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Math
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2021-09-17T08:12:32+00:00
2021-09-17T08:12:32+00:00 2 Answers
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## Answers ( )

Answer:please ask questions one by one dear

Step-by-step explanation:7. profit,

=x^2+30x-1000=0

=x^2+50x-20x-1000=0

=x(x+50)-20(x+50)=0

=(x-20)(x+50)=0

=x-20=0

=x=20

=x+50=0

=x=-50

maximum profit = 20 dollars●●●●●●●●