Find the Equation That the Given Graph Represents $P ( x ) = x ^ { 6 } - 2 x ^ { 2 } - 6$

Multiple Choice

Find the equation that the given graph represents.
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A) $P ( x ) = x ^ { 6 } - 2 x ^ { 2 } - 6$
B) $P ( x ) = - x ^ { 5 } - 3 x ^ { 2 } + 6$
C) $P ( x ) = x ^ { 5 } + 2 x ^ { 3 } + 6$
D) $P ( x ) = x ^ { 4 } - 3 x ^ { 2 } + 6$