Use the Function Below and Its Derivative to Determine Any $f$

question 17

Multiple Choice

Use the function below and its derivative to determine any points on the graph of $f$ at which the tangent line is horizontal.
$$f ( x ) = - 3 x ^ { 4 } + 6 x ^ { 2 } , f ^ { \prime } ( x ) = - 12 x ^ { 3 } + 12 x$$

• A) \(( - 1,3 ) , ( 0,0 ) , ( 1,3 )\)
• B) \(( - 1 , - 3 ) , ( 1 , - 12 )\)
• C) \(( - 1,3 ) , ( 1,3 )\)
• D) \(( 0,0 ) , ( 1,0 )\)
• E) \(( 0,0 ) , ( 1,3 )\)

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