SOLUTION: Minimizing Cost. A company uses the formula C(x)= 0.02x² -3.4x +150 to model the unit cost in dollars for producing x stabilizer bars. For what number of bars is the unit cost at i

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Question 47938: Minimizing Cost. A company uses the formula C(x)= 0.02x² -3.4x +150 to model the unit cost in dollars for producing x stabilizer bars. For what number of bars is the unit cost at its minimum? What is the unit cost at that level of production?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
0=.02x~2-3.4x+150 or 0=x~2-170x+7,500 or x=85+/-16.5831 using the quadratic equation. Thus the 85+16.58=101.58 & 85-16.58=68.42