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lbvjy [14]
3 years ago
14

Find the profit-maximizing price.

Mathematics
1 answer:
ziro4ka [17]3 years ago
3 0

Answer: \$11.5

Step-by-step explanation:

Given

Demand function is p=22-2q

The average cost function is c=2+q

Total revenue is the product of demand and the price per unit.

r=\left(22-2q\right)q

Profit is given by the difference of the total revenue and the cost

\Rightarrow P=r-c\\\Rightarrow P=22q-2q^2-2-q\\\Rightarrow P=-2q^2+21q-2

Find the derivative of profit to get the maximum profit

\Rightarrow P'=-4q+21\\\text{Put the derivative equal to 0 to get the maximum profit}\\\\\Rightarrow q=\dfrac{21}{4}

Put q in the equation of demand to get the price

\Rightarrow p=22-2\times \dfrac{21}{4}\\\\\Rightarrow p=22-10.5\\\Rightarrow p=\$11.5

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Solve each linear-quadratic system algebraically. Show all work.
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Answer:

(5, - 8 ) and (- 1, 4 )

Step-by-step explanation:

Given the 2 equations

y = - x² + 2x + 7 → (1)

y = - 2x + 2 → (2)

Substitute y = - 2x + 2 into (1)

- 2x + 2 = - x² + 2x + 7 ← subtract - x² + 2x + 7 from both sides

x² - 4x - 5 = 0 ← in standard form

(x - 5)(x + 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 1 = 0 ⇒ x = - 1

Substitute these values into (2) for corresponding values of y

x = 5 → y = - 2(5) + 2 = - 10 + 2 = - 8 ⇒ (5, - 8)

x = - 1 → y = - 2(- 1) + 2 = 2 + 2 = 4 ⇒ (- 1, 4)

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3 years ago
Will give brainliest easy algebra 1 please help thank you <3
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Step-by-step explanation:

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8 0
3 years ago
Evaluate the expression <br><br>36 + 5^3 ​
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Step-by-step explanation:

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3 years ago
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Katarina wrote the standard form of a linear equation as 4x – 2/3 y = 8. Sofiya told her that the equation was not yet in standa
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The standard form of a linear equation in general is given by:

ax+by=c

Now we are given the equation :

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In order to convert this into standard equation, we have to eliminate the 3 in the second term on the left side of equation.

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So that means option A.Multiply both sides of the equation by 3. The standard form of the equation is 12x – 2y = 24. is the correct advice given by Sofiya.


8 0
3 years ago
Read 2 more answers
Identify the rule for the pattern below which is 5,10,8,13,11,16,14,19,17,22
Andreyy89

Answer:

Step-by-step explanation:

for odd terms

first term=5

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odd terms are given by 5+3(n-1)=2+3n

for even terms

first term=10

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8 0
3 years ago
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