Use synthetic division and the Remainder Theorem to find the indicated function value.
-$$f ( x ) = x ^ { 5 } + 8 x ^ { 4 } - 6 x ^ { 3 } + 6 ; f ( - 4 )$$
A) 1414
B) $- 1414$
C) 94
D) 2438

Question

Quizplus · Accepted Answer

Explanation:Using synthetic division, we get:$- 4 | \begin{array}{cccccc} 1 & 8 & -6 & 0 & 0 & 6 \\ -4 & -16 & 40 & -160 & 640 & -2560 \\ \hline 1 & 4 & -10 & -160 & 640 & -2566 \end{array}$Therefore, $f(-4) = -2566$.

Use Synthetic Division and the Remainder Theorem to Find the Indicated