Answer:
[tex]P(x) = - 17x-212[/tex] --- profit function
Step-by-step explanation:
Given
[tex]C(x) =17x + 504[/tex]
[tex]R(x) = 292[/tex]
Solving (a): The profit function
This is calculated as:
[tex]P(x) = R(x) - C(x)[/tex]
So, we have:
[tex]P(x) = 292 - 17x - 504[/tex]
[tex]P(x) = - 17x+292 - 504[/tex]
[tex]P(x) = - 17x-212[/tex]
Solving (b):Units to make 1680
[tex]P(x) = - 17x-212[/tex]
Substitute 1680 for P(x)
[tex]1680 = -17x - 212[/tex]
Collect like terms
[tex]17x= -1680 - 212[/tex]
[tex]17x= -1892[/tex]
Divide by 17
[tex]x= -111[/tex]
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