Use the Quadratic Function to Determine If the Function Has $$f ( x ) = - x ^ { 2 } - \frac { 4 } { 5 } x + 6$$

question 218

Multiple Choice

Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.
- $$f ( x ) = - x ^ { 2 } - \frac { 4 } { 5 } x + 6$$

• A) minimum at \(\left( - \frac { 2 } { 5 } , - \frac { 121 } { 25 } \right)\)
• B) minimum at \(\left( - \frac { 1 } { 10 } , - \frac { 73 } { 3 } \right)\)
• C) maximum at \(\left( \frac { 1 } { 10 } , - 121 \right)\)
• D) maximum at \(\left( - \frac { 2 } { 5 } , \frac { 154 } { 25 } \right)\)

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