Table of Contents
ToggleA company manufactures and sells 𝑥 items per week. The weekly cost function and price-demand equations are, respectively,
where 𝑥 is the weekly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government decides to tax the company $2 for each item it produces.
Find the production level and price per item that produces the maximum profit.
What is the maximum profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $2 tax on each item produced. This means we need to add 2𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 928.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $91.
To find the maximum monthly profit, we substitute 𝑥 = 928 into the Profit and calculate this maximum value:
So the maximum monthly profit is $6912.
Final Answer:
The production level that maximizes profit is 928 items per week, with a corresponding price of $91 per item. The maximum profit is $6912 per week.
(8 points) A company manufactures and sells 𝑥 items per month. The monthly cost function and price-demand equation are, respectively,
where 𝑥 is the monthly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government decides to tax the company $8 for each item it produces.
Find the production level and price per item that produce the maximum profit.
What is the maximum monthly profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $8 tax on each item produced. This means we need to add 8𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 1380.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $104.
To find the maximum monthly profit, we substitute 𝑥 = 1380 into the Profit and calculate this maximum value:
So the maximum monthly profit is $28480.
Final Answer:
The production level that maximizes profit is 1380 items per week, with a corresponding price of $104 per item. The maximum profit is $28480 per week.
(8 points) A factory produces and sells 𝑥 gadgets per month. The monthly cost function and price-demand equation are, respectively,
where 𝑥 is the monthly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government imposes a $12 tax for each item produced.
Find the production level and price per item that produce the maximum profit.
What is the maximum monthly profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $12 tax on each item produced. This means we need to add 12𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 3950.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $171.
To find the maximum monthly profit, we substitute 𝑥 = 1380 into the Profit and calculate this maximum value:
So the maximum monthly profit is $262050.
Final Answer:
The production level that maximizes profit is 3950 items per week, with a corresponding price of $171 per item. The maximum profit is $262050 per week.
(8 points) A factory produces and sells 𝑥 gadgets per month. The monthly cost function and price-demand equation are, respectively,
where 𝑥 is the monthly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government imposes a $15 tax for each item produced.
Find the production level and price per item that produce the maximum profit.
What is the maximum monthly profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $12 tax on each item produced. This means we need to add 12𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 2070.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $117.50.
To find the maximum monthly profit, we substitute 𝑥 = 2070 into the Profit and calculate this maximum value:
So the maximum monthly profit is $79025.
Final Answer:
The production level that maximizes profit is 2070 items per week, with a corresponding price of $117.50 per item. The maximum profit is $79025 per week.
(8 points) A factory produces and sells 𝑥 gadgets per month. The monthly cost function and price-demand equation are, respectively,
where 𝑥 is the monthly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government imposes a $8 tax for each item produced.
Find the production level and price per item that produce the maximum profit.
What is the maximum monthly profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $8 tax on each item produced. This means we need to add 8𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 1485.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $154.
To find the maximum monthly profit, we substitute 𝑥 = 2070 into the Profit and calculate this maximum value:
So the maximum monthly profit is $50010
Final Answer:
The production level that maximizes profit is 1485 items per week, with a corresponding price of $154 per item. The maximum profit is $50010 per week
(8 points) A factory produces and sells 𝑥 gadgets per month. The monthly cost function and price-demand equation are, respectively,
where 𝑥 is the monthly demand and 𝑝 is the price in dollars. Assume that the price and demand are both positive. The government imposes a $11 tax for each item produced.
Find the production level and price per item that produce the maximum profit.
What is the maximum monthly profit?
In order to find the production level and price per item that produce the maximum profit, we need to find the profit equation, 𝑃(𝑥).
We will use the equation that relates Profit with Revenue and Cost:
The Cost function is already given in the question, however, we need to consider the fact that the government is adding a $8 tax on each item produced. This means we need to add 8𝑥 to the cost function:
The new cost function then becomes:
To find the Revenue function, we need to multiply the price by the quantity of items sold. This is represented by:
Where 𝑝 is the price equation given in the question and 𝑥 is the quantity sold.
Now that we have the Revenue function, we can substitute it into the Profit function and get a Profit function in terms of 𝑥.
The profit function obtained above is a quadratic function that opens downwards, so it has a vertex that is a maximum. (See graph below)
To find the production level and the price that produce the maximum profit, we need to find the 𝑥 value of the vertex. There are two methods to find the vertex of a quadratic function:
From the calculations above, we can see that the production level – the number of items that need to be produced and sold to maximize the profit – is 𝑥 = 1425.
Price per item:
The price of each item can be calculated using the price function given in the question:
So the price that maximizes the profit is $123.
To find the maximum monthly profit, we substitute 𝑥 = 2070 into the Profit and calculate this maximum value:
So the maximum monthly profit is $44225
Final Answer:
The production level that maximizes profit is 1425 items per week, with a corresponding price of $123 per item. The maximum profit is $44225 per week.
Concordia University offers comprehensive exam guides to help students prepare for their exams effectively. Here’s a detailed overview of what to expect in a typical exam guide at Concordia:
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