Question

The cost C (in dollars) of manufacturing x chairs at Ahmad's Furniture Factory is given by the
c(x)=0.3x^2-168x+40,516.
How many chairs must be made to minimize the cost?

Answer 1

@Directrix Help

Answer 2

first you need to work out the derivative C'(x)

Answer 3

this will help you to find the minimum value of C(x)