Use Synthetic Division to Decide Whether the Given Number K$k = - \frac { 1 } { 3 } ; f ( x ) = - 3 x ^ { 4 } + 8 x ^ { 3 } + 2 x + 1$

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The Answer of Use Synthetic Division to Decide Whether the Given Number K$k = - \frac { 1 } { 3 } ; f ( x ) = - 3 x ^ { 4 } + 8 x ^ { 3 } + 2 x + 1$

Use Synthetic Division to Decide Whether the Given Number K $k = - \frac { 1 } { 3 } ; f ( x ) = - 3 x ^ { 4 } + 8 x ^ { 3 } + 2 x + 1$