Find the Coordinates of the Vertex of the Quadratic Function $$f ( x ) = x ^ { 2 } - 6 x - 9$$

question 130

Multiple Choice

Find the coordinates of the vertex of the quadratic function.
- $$f ( x ) = x ^ { 2 } - 6 x - 9$$

• A) \(( 3 , - 18 )\)
• B) \(( - 3,18 )\)
• C) \(( 3 , - 36 )\)
• D) \(( - 6,63 )\)

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Definitions:

MC Curve

The Marginal Cost curve, representing the increase in total cost incurred from producing one additional unit of a good or service.

AVC Curve

The graph that represents the average variable cost per unit of output at different levels of production.

Variable Cost

Costs that change in proportion to the level of output or activity, such as materials and labor used in production.

Fixed Cost

A constant expense that does not change with the level of production or sales.