Use a graphing calculator to approximate all real solutions of the equation.
-$y=x^{4}+9 x^{3}+17 x^{2}-9 x-18$
A) $-6,-3,1,1$
B) $-6,-3,-1,1$
C) $-1,1,3,6$
D) $-3,-1,1,6$

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The Answer of Use a graphing calculator to approximate all real solutions of the equation.
-$y=x^{4}+9 x^{3}+17 x^{2}-9 x-18$
A) $-6,-3,1,1$
B) $-6,-3,-1,1$
C) $-1,1,3,6$
D) $-3,-1,1,6$

Use a Graphing Calculator to Approximate All Real Solutions of the Equation