The quadratic model for the cost in Php of manufacturing computer parts is C(x) = x^2 - 6x + 20. Where x is the number of computers the company manufactures. How much is the cost if the number of computers (x) are 10, 50, 100, and 250?  Show the complete solution and find the: a. Roots and Nature of Roots (Real, Repeated, or Imaginary) b. Extremities (Vertex – h,k) and  Description (Maximum or Minimum) c. Axis of Symmetry, Domain, Range

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