Question
The revenue for a business, as a function of units produced, x, is shown below by R(x). C(x) represents the cost of producing x units. Calculate the profit function and then determine how many units must be produced for the business to break even.
R, left parenthesis, x, right parenthesis, equals, 7, x
R(x)=
7x
The revenue function.
C, left parenthesis, x, right parenthesis, equals, 2, x, plus, 410
C(x)=
2x+410
The cost function.
R, left parenthesis, x, right parenthesis, equals, 7, x
R(x)=
7x
The revenue function.
C, left parenthesis, x, right parenthesis, equals, 2, x, plus, 410
C(x)=
2x+410
The cost function.
Answers
GPT-4o mini
To calculate the profit function \( P(x) \), we use the formula:
\[
P(x) = R(x) - C(x)
\]
where \( R(x) \) is the revenue function and \( C(x) \) is the cost function.
Given:
\[
R(x) = 7x
\]
\[
C(x) = 2x + 410
\]
Now, we can substitute these into the profit function:
\[
P(x) = 7x - (2x + 410)
\]
Simplifying this, we have:
\[
P(x) = 7x - 2x - 410
\]
\[
P(x) = 5x - 410
\]
### Break-even Point
To find the break-even point, we set the profit function equal to zero:
\[
P(x) = 0
\]
Substituting the profit function:
\[
5x - 410 = 0
\]
Now, solve for \( x \):
\[
5x = 410
\]
\[
x = \frac{410}{5}
\]
\[
x = 82
\]
### Conclusion
The profit function is given by:
\[
P(x) = 5x - 410
\]
The business must produce **82 units** to break even.
\[
P(x) = R(x) - C(x)
\]
where \( R(x) \) is the revenue function and \( C(x) \) is the cost function.
Given:
\[
R(x) = 7x
\]
\[
C(x) = 2x + 410
\]
Now, we can substitute these into the profit function:
\[
P(x) = 7x - (2x + 410)
\]
Simplifying this, we have:
\[
P(x) = 7x - 2x - 410
\]
\[
P(x) = 5x - 410
\]
### Break-even Point
To find the break-even point, we set the profit function equal to zero:
\[
P(x) = 0
\]
Substituting the profit function:
\[
5x - 410 = 0
\]
Now, solve for \( x \):
\[
5x = 410
\]
\[
x = \frac{410}{5}
\]
\[
x = 82
\]
### Conclusion
The profit function is given by:
\[
P(x) = 5x - 410
\]
The business must produce **82 units** to break even.
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