The cost c (in dollars) of manufacturing x chairs at Dan's Furniture Factory is given by the function c(x)=.2x^(2)-124x+35456. How many chairs must be made to minimize the cost?

Question

experimentx · Answer

http://www.wolframalpha.com/input/?i=minimize+.2x%5E%282%29-124x%2B35456 Find the vertex of the parabola http://www.wolframalpha.com/input/?i=plot+c%28x%29%3D.2x%5E%282%29-124x%2B35456

anonymous · Answer

is x your awnser

anonymous · Answer

@experimentX you there

experimentx · Answer

x = 310
using calculus, it's usual process ... find f'(x) = 0, and f''(x) > 0

without calculus, 
plot, f(x) ... find the vertex
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