Question 426941
C(x) = 0.02x² - 3.4x + 150 
-b/2a is the minimum
-(-3.4)/2(.02)
=3.4/.04
=85 bars
.
.02*85^2-3.4*84+150
=144.5-289+150
=$5.50 unit cost
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Ed
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{{{graph(500, 500, -100, 100, -10, 10, 0.02x^2-3.4x+150)}}}