Use a Graphing Calculator to Find the Coordinates of the Turning

question 20

Multiple Choice

Use a graphing calculator to find the coordinates of the turning points of the graph of the polynomial function in the
indicated domain interval. Give answers to the nearest hundredth.
- $$f ( x ) = x ^ { 4 } - 13 x ^ { 2 } + 36 ; [ - 1,0.5 ]$$

• A) \(( - 2.55 , - 6.25 )\)
• B) \(( 0,36 )\)
• C) \(( 3,175.50 )\)
• D) \(( 2.55,70.57 )\)

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Definitions:

Fixed Cost

Expenses that remain constant regardless of production or sales volume, including rent, salaries, and insurance premiums.

High-Low Method

A cost-accounting method used to estimate variable and fixed costs based on the highest and lowest levels of activity.

Estimate

An approximation or educated guess regarding the value, quantity, or extent of something, often used for budgeting and planning processes.

High-Low Method

A way to estimate the fixed and variable components of a cost by analyzing the highest and lowest activity levels and their associated costs.