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1. Suppose the total weekly cost (in dollars) of producing x fuel tanks is given by...

1. Suppose the total weekly cost (in dollars) of producing x fuel tanks is given by 2 C x x x ( ) 12,000 80 0.04 = + − for x in the interval (0,1500)

a) Over what intervals will the total weekly cost be increasing and when will it be decreasing?

Increasing: _______________________ Decreasing: _________________________

b) When will the total weekly cost be at its max and what will the maximum cost be? State answer using appropriate units.

Solution: ____________________________________________________________________________

Math   Calculus   
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