Algebra

An aircraft factory manufactures airplane engines. The unit cost
C
(the cost in dollars to make each airplane engine) depends on the number of engines made. If
x
engines are made, then the unit cost is given by the function
=Cx+−0.2x248x21,748
. What is the minimum unit cost?

Do not round your answer.

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  1. C appears to be a quadratic. As with any quadratic

    ax^2+bx+c

    the vertex lies at x = -b/2a

    So, find C(x) at that value.

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