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: ____________________________________________________________________________
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