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Which of the following represents the set of possible rational roots for thepolynomial shown below?x2 + 5x2 - 81– 20 = 0A {}, #1, #2, +3 +4, +5, +10, + 20}(B. {#1, #2, #4, +5, 10, 20o a{+3, +1, +1, +2, +3, +3, +1}{1, 1, 2, 3, 4, 5, 10, 20)D.

Answer :

The equation is given as ;

[tex]x^3+5x^2-8x-20=0[/tex]

Using a graph tool to graph the equation and identify the roots, you will get the attached graph and roots;

View image SELMANZ332218

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