Use the Quadratic Function to Determine If the Function Has $$f ( x ) = 4 x ^ { 2 } + 8 x$$

question 239

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.
- $$f ( x ) = 4 x ^ { 2 } + 8 x$$

• A) minimum at \(( - 1 , - 4 )\)
• B) maximum at \(( 1 , - 4 )\)
• C) minimum; (ii) \(( 1 , - 4 )\)
• D) maximum at \(( - 1 , - 4 )\)

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