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OpenStudy (anonymous):
Which of the following is a root of the polynomial shown below? f(x)=x³-4x²-11+30 a. 0 b. -3 c. 6 d. 1
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OpenStudy (ash2326):
it should be f(x)=x^3-4x^2-11x+30 when you put x=-3 f(-3)=0 so -3 is the answer
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