SOLUTION: The president of a company producing water pumps has gathered data suggesting that the average cost in dollars of producing x units per hour of a new style of pump will be c(x)=x^2
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Question 353639: The president of a company producing water pumps has gathered data suggesting that the average cost in dollars of producing x units per hour of a new style of pump will be c(x)=x^2-22x+166. Determine the number of pumps per hour to produce to keep the average cost below $75 per pump.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The average cost to produce pumps is
Note that to produce pumps
still costs $166
You want to find when
Note that $75 is cost per pump, and is
the cost for pumps
What about ?
Solve using quadratic formula
I can't finish- Have to run
but that's the start
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