The Second Derivative Test Reveals That $f ( x ) = x ^ { 4 } - 4 x ^ { 2 } + 1$

question 4

Multiple Choice

The second derivative test reveals that $f ( x ) = x ^ { 4 } - 4 x ^ { 2 } + 1$ has

• A)neither a relative maximum nor a relative minimum.
• B)a relative maximum and two relative minima.
• C)a relative maximum only.
• D)a relative minimum only.

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