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A manufacturer believes that the cost function


C(x)=5/2x^2+120x+560

approximates the dollar cost of producing x units of a product. The manufacturer believes it cannot make a profit when the marginal cost goes beyond $450. What is the most units the manufacturer can produce and still make a profit? What is the total cost at this level of production?

The manufacturer can make up to________________ units and still make a profit. This leads to a total cost of_________________________ $.

Respuesta :

Answer: The manufacturer can make up to 66 units and still make a profit. This leads to a total cost of $19370.

Explanation:

Given :

C(x)= [tex]\frac{5}{2}x^2+120x+560[/tex]

[tex]\because MC = \frac{\delta C(x)}{\delta X}[/tex]

Since the manufacturer believes it cannot make a profit when the marginal cost goes beyond $450.

MC =  [tex]\frac{\delta C(x)}{\delta X}[/tex] = $450

On evaluating the above equation , we get ;

x = 66

i.e. At x = 66

C(66) = $19370

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