Use a Graphing Calculator to Find the Coordinates of the Turning

question 174

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.
- $$f ( x ) = - 2 x ^ { 3 } - 10 x ^ { 2 } + 82 x + 90 ; [ 2,3 ]$$

• A) \(( 2.39,201.56 )\)
• B) \(( - 5.72 , - 893.92 )\)
• C) \(( 0,45 )\)
• D) \(( - 5.50 , - 829.87 )\)

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